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• WPF, UserControl, and Commands? Oh my!

  - by Greg D

  (This question is related to another one, but different enough that I think it warrants placement here.) Here's a (heavily snipped) Window: <Window x:Class="Gmd.TimeTracker2.TimeTrackerMainForm" xmlns:local="clr-namespace:Gmd.TimeTracker2" xmlns:localcommands="clr-namespace:Gmd.TimeTracker2.Commands" x:Name="This" DataContext="{Binding ElementName=This}"> <Window.CommandBindings> <CommandBinding Command="localcommands:TaskCommands.ViewTaskProperties" Executed="HandleViewTaskProperties" CanExecute="CanViewTaskPropertiesExecute" /> </Window.CommandBindings> <DockPanel> <!-- snip stuff --> <Grid> <Grid.RowDefinitions> <RowDefinition /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <!-- snip more stuff --> <Button Content="_Create a new task" Grid.Row="1" x:Name="btnAddTask" Click="HandleNewTaskClick" /> </Grid> </DockPanel> </Window> and here's a (heavily snipped) UserControl: <UserControl x:Class="Gmd.TimeTracker2.TaskStopwatchControl" xmlns:local="clr-namespace:Gmd.TimeTracker2" xmlns:localcommands="clr-namespace:Gmd.TimeTracker2.Commands" x:Name="This" DataContext="{Binding ElementName=This}"> <UserControl.ContextMenu> <ContextMenu> <MenuItem x:Name="mnuProperties" Header="_Properties" Command="{x:Static localcommands:TaskCommands.ViewTaskProperties}" CommandTarget="What goes here?" /> </ContextMenu> </UserControl.ContextMenu> <StackPanel> <TextBlock MaxWidth="100" Text="{Binding Task.TaskName, Mode=TwoWay}" TextWrapping="WrapWithOverflow" TextAlignment="Center" /> <TextBlock Text="{Binding Path=ElapsedTime}" TextAlignment="Center" /> <Button Content="{Binding Path=IsRunning, Converter={StaticResource boolToString}, ConverterParameter='Stop Start'}" Click="HandleStartStopClicked" /> </StackPanel> </UserControl> Through various techniques, a UserControl can be dynamically added to the Window. Perhaps via the Button in the window. Perhaps, more problematically, from a persistent backing store when the application is started. As can be seen from the xaml, I've decided that it makes sense for me to try to use Commands as a way to handle various operations that the user can perform with Tasks. I'm doing this with the eventual goal of factoring all command logic into a more formally-defined Controller layer, but I'm trying to refactor one step at a time. The problem that I'm encountering is related to the interaction between the command in the UserControl's ContextMenu and the command's CanExecute, defined in the Window. When the application first starts and the saved Tasks are restored into TaskStopwatches on the Window, no actual UI elements are selected. If I then immediately r-click a UserControl in the Window in an attempt to execute the ViewTaskProperties command, the CanExecute handler never runs and the menu item remains disabled. If I then click some UI element (e.g., the button) just to give something focus, the CanExecute handlers are run with the CanExecuteRoutedEventArgs's Source property set to the UI element that has the focus. In some respect, this behavior seems to be known-- I've learned that menus automat

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• How do I use Sketchflow sample data for a ListBoxItem Template at design time?

  - by Boris Nikolaevich

  I am using Expression Blend 4 and Visual Studio 2010 to create a Sketchflow prototype. I have a Sample Data collection and a ListBox that is bound to it. This displays as I would expect both at design time and at run time. However, the ListBoxItem template it just complex enough that I wanted to pull it out into its own XAML file. Even though the items still render as expected in the main ListBox where the template is used, when I open the template itself, all of the databound controls are empty. If I add a DataContext to the template, I can see and work with the populated objects while in the template, but then that local DataContext overrides the DataContext set on the listbox. A bit of code will illustrate. Start by creating a Sketchflow project (I am using Silverlight, but it should work the same for WPF), then add a project data source called SampleDataSource. Add a collection called ListData, with a single String property called Title. Here is the (scaled down) code for the main Sketchflow screen, which we'll call Main.xaml: <UserControl xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:local="clr-namespace:DemoScreens" mc:Ignorable="d" x:Class="DemoScreens.Main" Width="800" Height="600"> <UserControl.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="ProjectDataSources.xaml"/> </ResourceDictionary.MergedDictionaries> <DataTemplate x:Key="ListBoxItemTemplate"> <local:DemoListBoxItemTemplate d:IsPrototypingComposition="True" Margin="0,0,5,0" Width="748"/> </DataTemplate> </ResourceDictionary> </UserControl.Resources> <Grid x:Name="LayoutRoot" Background="#5c87b2" DataContext="{Binding Source={StaticResource SampleDataSource}}"> <ListBox Background="White" x:Name="DemoList" Style="{StaticResource ListBox-Sketch}" Margin="20,100,20,20" ItemTemplate="{StaticResource ListBoxItemTemplate}" ItemsSource="{Binding ListData}" ScrollViewer.HorizontalScrollBarVisibility="Disabled"/> </Grid> </UserControl> You can see that it references the DemoListBoxItemTemplate, which is defined in its own DemoListBoxItemTemplate.xaml: <UserControl xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:local="clr-namespace:DemoScreens" mc:Ignorable="d" x:Class="DemoScreens.DemoListBoxItemTemplate"> <Grid x:Name="LayoutRoot"> <TextBlock Text="{Binding Title}" Style="{StaticResource BasicTextBlock-Sketch}" Width="150"/> </Grid> </UserControl> Obviously, this is way simpler than my actual listbox, but it should be enough to illustrate my problem. When you open Main.xaml in the Expression designer, the list box is populated with sample data. But when you open DemoListBoxItemTemplate.xaml, there is no data context and therefore no data to display—which makes it more difficult to identify controls visually. How can I have sample data displayed when I am working with the template, while still allowing the larger set of sample data to be used for the ListBox itself?

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• integrating tinymce with asp .net MVC 4.0

  - by user1865670

  using ASP .NET MVC 4.0 , VS2012. In one of my page, I tried to integrate a WYSIWYG editor "TinyMCE". To integrate, I followed the following URL : .tugberkugurlu.com My view page is like : @model AboutModels @using FileUploadDemo.Models <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.js"></script> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> <script src="Scripts/tinymce/jquery.tinymce.js" type="text/javascript"></script> @{ ViewBag.Title = "About"; } @using (Html.BeginForm()) { @Html.ValidationSummary(true) <fieldset> <legend>About</legend> <div class="editor-label"> @Html.LabelFor(model => model.Title) </div> <div class="editor-field"> @Html.EditorFor(model => model.Title) @Html.ValidationMessageFor(model => model.Title) </div> <div class="editor-label"> @Html.LabelFor(model => model.PostedOn) </div> <div class="editor-field"> @Html.EditorFor(model => model.PostedOn) @Html.ValidationMessageFor(model => model.PostedOn) </div> <div class="editor-label"> @Html.LabelFor(model => model.Tags) </div> <div class="editor-field"> @Html.EditorFor(model => model.Tags) @Html.ValidationMessageFor(model => model.Tags) </div> <div class="editor-label"> @Html.LabelFor(model => model.Content) </div> <div class="editor-field"> @Html.EditorFor(model => model.Content) @Html.ValidationMessageFor(model => model.Content) </div> <p> <input type="submit" value="Create" /> </p> <p> Posted Content : @ViewBag.HtmlContent </p> </fieldset> } Here my Model is like : public class AboutModels { public string Title { get; set; } public DateTime PostedOn { get; set; } public string Tags { get; set; } [UIHint("tinymce_jquery_full"), AllowHtml] public string Content { get; set; } } My about page loads with all features. "@html.EditorFor(model=>model.content)" also loads fine. but no "WYSIWYG" pane(i donno what it is called, the pane is used to edit my text written in the textarea(HTml.editorFor())) is loaded. In the runtime, Exception is thrown in jquery.tinymce.js file. Error Message : `Unhandled exception at line 86, column 11 in http://localhost:1706/Home/About 0x800a01b6 - Microsoft JScript runtime error: Object doesn't support this property or method` And give me two options, Continue or Break . If i continue, the page loads with features as i mentioned earlier. If i Break, then it stays in the jquery.tinymce.js file with a yellow text-background. I have no experience with Javascript/jquery. And new in ASP .NET MVC 4.0, actually this is my first try of web application in .net. I updated jquery from nuGet. What could be the possible ways to solve it?

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• ASP.NET MVC 2 client-side validation rules not being created

  - by Brant Bobby

  MVC isn't generating the client-side validation rules for my viewmodel. The HTML just contains this: <script type="text/javascript"> //<![CDATA[ if (!window.mvcClientValidationMetadata) { window.mvcClientValidationMetadata = []; } window.mvcClientValidationMetadata.push({"Fields":[],"FormId":"form0","ReplaceValidationSummary":false}); //]]> </script> Note that Fields[] is empty! My view is strongly-typed and uses the new strongly-typed HTML helpers (TextBoxFor(), etc). View Model / Domain Model public class ItemFormViewModel { public Item Item { get; set; } [Required] [StringLength(100)] public string Whatever { get; set; } // for demo } [MetadataType(typeof(ItemMetadata))] public class Item { public string Name { get; set; } public string SKU { get; set; } public int QuantityRequired { get; set; } // etc. } public class ItemMetadata { [Required] [StringLength(100)] public string Name { get; set; } [Required] [StringLength(50)] public string SKU { get; set; } [Range(0, Int32.MaxValue)] public int QuantityRequired { get; set; } // etc. } (I know I'm using a domain model as my / as part of my view model, which isn't a good practice, but disregard that for now.) View <%@ Page Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<ItemFormViewModel>" %> <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <h2>Editing item: <%= Html.Encode(Model.Item.Name) %></h2> <% Html.EnableClientValidation(); %> <%= Html.ValidationSummary("Could not save the item.") %> <% using (Html.BeginForm()) { %> <%= Html.TextBoxFor(model => model.Item.Name) %> <%= Html.TextBoxFor(model => model.Item.SKU) %> <%= Html.TextBoxFor(model => model.Item.QuantityRequired) %> <%= Html.HiddenFor(model => model.Item.ItemID) %> <%= Html.TextBox("Whatever", Model.Whatever) %> <input type="submit" value="Save" /> <% } %> </asp:Content> I included the Whatever property on the view model because I suspected that MVC wasn't recursively inspecting the sub-properties of ItemFormViewModel.Item, but even that isn't being validated? I've even tried delving into the MVC framework source code but have come up empty. What could be going on?

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• How to configure a GridView CommandField to trigger Full Page Update in UpdatePanel

  - by Frinavale

  I have 2 user controls on my page. One is used for searching, and the other is used for editing (along with a few other things). The user control that provides the search functionality uses a GridView to display the search results. This GridView has a CommandField used for editing (showEditButton="true"). I would like to place the GridView into an UpdatePanel so that paging through the search results will be smooth. The thing is that when the user clicks the Edit Link (the CommandField) I need to preform a full page postback so that the search user control can be hidden and the edit user control can be displayed. Edit: the reason I need to do a full page postback is because the edit user control is outside of the UpdatePanel that my GridView is in. It is not only outside the UpdatePanel, but it's in a completely different user control. I have no idea how to add the CommandField as a full page postback trigger to the UpdatePanel. The PostBackTrigger (which is used to indicate the controls cause a full page postback) takes a ControlID as a parameter; however the CommandButton does not have an ID...and you can see why I'm having a problem with this. Update on what else I've tried to solve the problem: I took a new approach to solving the problem. In my new approach, I used a TemplateField instead of a CommandField. I placed a LinkButton control in the TemplateField and gave it a name. During the GridView's RowDataBound event I retrieved the LinkButton control and added it to the UpdatePanel's Triggers. This is the ASP Markup for the UpdatePanel and the GridView <asp:UpdatePanel ID="SearchResultsUpdateSection" runat="server"> <ContentTemplate> <asp:GridView ID="SearchResultsGrid" runat="server" AllowPaging="true" AutoGenerateColumns="false"> <Columns> <asp:TemplateField> <HeaderTemplate></HeaderTemplate> <ItemTemplate> <asp:LinkButton ID="Edit" runat="server" Text="Edit"></asp:LinkButton> </ItemTemplate> </asp:TemplateField> <asp:BoundField ...... </Columns> </asp:GridView> </ContentTemplate> </asp:UpdatePanel> In my VB.NET code. I implemented a function that handles the GridView's RowDataBound event. In this method I find the LinkButton for the row being bound to, create a PostBackTrigger for the LinkButton, and add it to the UpdatePanel's Triggers. This means that a PostBackTrigger is created for every "edit" LinkButton in the GridView Edit: this did not create a PostBackTrigger for Every "edit" LinkButton because the ID is the same for all LinkButtons in the GridView. Private Sub SearchResultsGrid_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles SearchResultsGrod.RowDataBound If e.Row.RowType = DataControlRowType.Header Then ''I am doing stuff here that does not pertain to the problem Else Dim editLink As LinkButton = CType(e.Row.FindControl("Edit"), LinkButton) If editLink IsNot Nothing Then Dim fullPageTrigger As New PostBackTrigger fullPageTrigger.ControlID = editLink.ID SearchResultsUpdateSection.Triggers.Add(fullPageTrigger) End If End If End Sub And instead of handling the GridView's RowEditing event for editing purposes i use the RowCommand instead. Private Sub SearchResultsGrid_RowCommand(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewCommandEventArgs) Handles SearchResultsGrid.RowCommand RaiseEvent EditRecord(Me, New EventArgs()) End Sub This new approach didn't work at all because all of the LinkButtons in the GridView have the same ID. After reading the MSDN article on the UpdatePanel.Triggers Property I have the impression that Triggers can only be defined declaratively. This would mean that anything I did in the VB code wouldn't work. Any advise would be greatly appreciated. Thanks, -Frinny

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• TwoWay Binding With ItemsControl

  - by Andrew

  I'm trying to write a user control that has an ItemsControl, the ItemsTemplate of which contains a TextBox that will allow for TwoWay binding. However, I must be making a mistake somewhere in my code, because the binding only appears to work as if Mode=OneWay. This is a pretty simplified excerpt from my project, but it still contains the problem: <UserControl x:Class="ItemsControlTest.UserControl1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Height="300" Width="300"> <Grid> <StackPanel> <ItemsControl ItemsSource="{Binding Path=.}" x:Name="myItemsControl"> <ItemsControl.ItemTemplate> <DataTemplate> <TextBox Text="{Binding Mode=TwoWay, UpdateSourceTrigger=LostFocus, Path=.}" /> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl> <Button Click="Button_Click" Content="Click Here To Change Focus From ItemsControl" /> </StackPanel> </Grid> </UserControl> Here's the code behind for the above control: using System; using System.Windows; using System.Windows.Controls; using System.Collections.ObjectModel; namespace ItemsControlTest { /// <summary> /// Interaction logic for UserControl1.xaml /// </summary> public partial class UserControl1 : UserControl { public ObservableCollection<string> MyCollection { get { return (ObservableCollection<string>)GetValue(MyCollectionProperty); } set { SetValue(MyCollectionProperty, value); } } // Using a DependencyProperty as the backing store for MyCollection. This enables animation, styling, binding, etc... public static readonly DependencyProperty MyCollectionProperty = DependencyProperty.Register("MyCollection", typeof(ObservableCollection<string>), typeof(UserControl1), new UIPropertyMetadata(new ObservableCollection<string>())); public UserControl1() { for (int i = 0; i < 6; i++) MyCollection.Add("String " + i.ToString()); InitializeComponent(); myItemsControl.DataContext = this.MyCollection; } private void Button_Click(object sender, RoutedEventArgs e) { // Insert a string after the third element of MyCollection MyCollection.Insert(3, "Inserted Item"); // Display contents of MyCollection in a MessageBox string str = ""; foreach (string s in MyCollection) str += s + Environment.NewLine; MessageBox.Show(str); } } } And finally, here's the xaml for the main window: <Window x:Class="ItemsControlTest.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:src="clr-namespace:ItemsControlTest" Title="Window1" Height="300" Width="300"> <Grid> <src:UserControl1 /> </Grid> </Window> Well, that's everything. I'm not sure why editing the TextBox.Text properties in the window does not seem to update the source property for the binding in the code behind, namely MyCollection. Clicking on the button pretty much causes the problem to stare me in the face;) Please help me understand where I'm going wrong. Thanx! Andrew

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• Lists NotifyPropertyChanging

  - by Carlo

  Well BindingList and ObservableCollection work great to keep data updated and to notify when one of it's objects has changed. However, when notifying a property is about to change, I think these options are not very good. What I have to do right now to solve this (and I warn this is not elegant AT ALL), is to implement INotifyPropertyChanging on the list's type object and then tie that to the object that holds the list PropertyChanging event, or something like the following: // this object will be the type of the BindingList public class SomeObject : INotifyPropertyChanging, INotifyPropertyChanged { private int _intProperty = 0; private string _strProperty = String.Empty; public int IntProperty { get { return this._intProperty; } set { if (this._intProperty != value) { NotifyPropertyChanging("IntProperty"); this._intProperty = value; NotifyPropertyChanged("IntProperty"); } } } public string StrProperty { get { return this._strProperty; } set { if (this._strProperty != value) { NotifyPropertyChanging("StrProperty"); this._strProperty = value; NotifyPropertyChanged("StrProperty"); } } } #region INotifyPropertyChanging Members public event PropertyChangingEventHandler PropertyChanging; #endregion #region INotifyPropertyChanged Members public event PropertyChangedEventHandler PropertyChanged; #endregion public void NotifyPropertyChanging(string propertyName) { if (this.PropertyChanging != null) PropertyChanging(this, new PropertyChangingEventArgs(propertyName)); } public void NotifyPropertyChanged(string propertyName) { if (this.PropertyChanged != null) PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } } public class ObjectThatHoldsTheList : INotifyPropertyChanging, INotifyPropertyChanged { public BindingList<SomeObject> BindingList { get; set; } public ObjectThatHoldsTheList() { this.BindingList = new BindingList<SomeObject>(); } // this helps notifie Changing and Changed on Add private void AddItem(SomeObject someObject) { // this will tie the PropertyChanging and PropertyChanged events of SomeObject to this object // so it gets notifies because the BindingList does not notify PropertyCHANGING someObject.PropertyChanging += new PropertyChangingEventHandler(someObject_PropertyChanging); someObject.PropertyChanged += new PropertyChangedEventHandler(someObject_PropertyChanged); this.NotifyPropertyChanging("BindingList"); this.BindingList.Add(someObject); this.NotifyPropertyChanged("BindingList"); } // this helps notifies Changing and Changed on Delete private void DeleteItem(SomeObject someObject) { if (this.BindingList.IndexOf(someObject) > 0) { // this unlinks the handlers so the garbage collector can clear the objects someObject.PropertyChanging -= new PropertyChangingEventHandler(someObject_PropertyChanging); someObject.PropertyChanged -= new PropertyChangedEventHandler(someObject_PropertyChanged); } this.NotifyPropertyChanging("BindingList"); this.BindingList.Remove(someObject); this.NotifyPropertyChanged("BindingList"); } // this notifies an item in the list is about to change void someObject_PropertyChanging(object sender, PropertyChangingEventArgs e) { NotifyPropertyChanging("BindingList." + e.PropertyName); } // this notifies an item in the list has changed void someObject_PropertyChanged(object sender, PropertyChangedEventArgs e) { NotifyPropertyChanged("BindingList." + e.PropertyName); } #region INotifyPropertyChanging Members public event PropertyChangingEventHandler PropertyChanging; #endregion #region INotifyPropertyChanged Members public event PropertyChangedEventHandler PropertyChanged; #endregion public void NotifyPropertyChanging(string propertyName) { if (this.PropertyChanging != null) PropertyChanging(this, new PropertyChangingEventArgs(propertyName)); } public void NotifyPropertyChanged(string propertyName) { if (this.PropertyChanged != null) PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } } Sorry, I know this is a lot of code, which takes me back to my main point IT'S A LOT OF CODE to implement this. So my question is, does anyone know a better, shorter, more elegant solution? Thanks for your time and suggestions.

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• Flex 4, chart, Error 1009

  - by Stephane

  Hello, I am new to flex development and I am stuck with this error TypeError: Error #1009: Cannot access a property or method of a null object reference. at mx.charts.series::LineSeries/findDataPoints()[E:\dev\4.0.0\frameworks\projects\datavisualization\src\mx\charts\series\LineSeries.as:1460] at mx.charts.chartClasses::ChartBase/findDataPoints()[E:\dev\4.0.0\frameworks\projects\datavisualization\src\mx\charts\chartClasses\ChartBase.as:2202] at mx.charts.chartClasses::ChartBase/mouseMoveHandler()[E:\dev\4.0.0\frameworks\projects\datavisualization\src\mx\charts\chartClasses\ChartBase.as:4882] I try to create a chart where I can move the points with the mouse I notice that the error doesn't occur if I move the point very slowly I have try to use the debugger and pint some debug every where without success All the behaviours were ok until I had the modifyData Please let me know if you have some experience with this kind of error I will appreciate any help. Is it also possible to remove the error throwing because after that the error occur if I click the dismiss all error button then the component work great there is the simple code of the chart <fx:Declarations> </fx:Declarations> <fx:Script> <![CDATA[ import mx.charts.HitData; import mx.charts.events.ChartEvent; import mx.charts.events.ChartItemEvent; import mx.collections.ArrayCollection; [Bindable] private var selectItem:Object; [Bindable] private var chartMouseY:int; [Bindable] private var hitData:Boolean=false; [Bindable] private var profitPeriods:ArrayCollection = new ArrayCollection( [ { period: "Qtr1 2006", profit: 32 }, { period: "Qtr2 2006", profit: 47 }, { period: "Qtr3 2006", profit: 62 }, { period: "Qtr4 2006", profit: 35 }, { period: "Qtr1 2007", profit: 25 }, { period: "Qtr2 2007", profit: 55 } ]); public function chartMouseUp(e:MouseEvent):void{ if(hitData){ hitData = false; } } private function chartMouseMove(e:MouseEvent):void { if(hitData){ var p:Point = new Point(linechart.mouseX,linechart.mouseY); var d:Array = linechart.localToData(p); chartMouseY=d[1]; modifyData(); } } public function modifyData():void { var idx:int = profitPeriods.getItemIndex(selectItem); var item:Object = profitPeriods.getItemAt(idx); item.profit = chartMouseY; profitPeriods.setItemAt(item,idx); } public function chartMouseDown(e:MouseEvent):void{ if(!hitData){ var hda:Array = linechart.findDataPoints(e.currentTarget.mouseX, e.currentTarget.mouseY); if (hda[0]) { selectItem = hda[0].item; hitData = true; } } } ]]> </fx:Script> <s:layout> <s:HorizontalLayout horizontalAlign="center" verticalAlign="middle" /> </s:layout> <s:Panel title="LineChart Control" > <s:VGroup > <s:HGroup> <mx:LineChart id="linechart" color="0x323232" height="500" width="377" mouseDown="chartMouseDown(event)" mouseMove="chartMouseMove(event)" mouseUp="chartMouseUp(event)" showDataTips="true" dataProvider="{profitPeriods}" > <mx:horizontalAxis> <mx:CategoryAxis categoryField="period"/> </mx:horizontalAxis> <mx:series> <mx:LineSeries yField="profit" form="segment" displayName="Profit"/> </mx:series> </mx:LineChart> <mx:Legend dataProvider="{linechart}" color="0x323232"/> </s:HGroup> <mx:Form> <mx:TextArea id="DEBUG" height="200" width="300"/> </mx:Form> </s:VGroup> </s:Panel> UPDATE 30/2010 : the null object is _renderData.filteredCache from the chartline the code call before error is the default mouseMoveHandler of chartBase to chartline. Is it possible to remove it ? or provide a filteredCache

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• Using bindings to control column order in a DataGrid

  - by DanM

  Problem I have a WPF Toolkit DataGrid, and I'd like to be able to switch among several preset column orders. This is an MVVM project, so the column orders are stored in a ViewModel. The problem is, I can't get bindings to work for the DisplayIndex property. No matter what I try, including the sweet method in this Josh Smith tutorial, I get: The DisplayIndex for the DataGridColumn with Header 'ID' is out of range. DisplayIndex must be greater than or equal to 0 and less than Columns.Count. Parameter name: displayIndex. Actual value was -1. Is there any workaround for this? I'm including my test code below. Please let me know if you see any problems with it. ViewModel code public class MainViewModel { public List<Plan> Plans { get; set; } public int IdDisplayIndex { get; set; } public int NameDisplayIndex { get; set; } public int DescriptionDisplayIndex { get; set; } public MainViewModel() { Initialize(); } private void Initialize() { IdDisplayIndex = 1; NameDisplayIndex = 2; DescriptionDisplayIndex = 0; Plans = new List<Plan> { new Plan { Id = 1, Name = "Primary", Description = "Likely to work." }, new Plan { Id = 2, Name = "Plan B", Description = "Backup plan." }, new Plan { Id = 3, Name = "Plan C", Description = "Last resort." } }; } } Plan Class public class Plan { public int Id { get; set; } public string Name { get; set; } public string Description { get; set; } } Window code - this uses Josh Smith's DataContextSpy <Window x:Class="WpfApplication1.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:WpfApplication1" xmlns:mwc="http://schemas.microsoft.com/wpf/2008/toolkit" Title="Main Window" Height="300" Width="300"> <Grid> <mwc:DataGrid ItemsSource="{Binding Plans}" AutoGenerateColumns="False"> <mwc:DataGrid.Resources> <local:DataContextSpy x:Key="spy" /> </mwc:DataGrid.Resources> <mwc:DataGrid.Columns> <mwc:DataGridTextColumn Header="ID" Binding="{Binding Id}" DisplayIndex="{Binding Source={StaticResource spy}, Path=DataContext.IdDisplayIndex}" /> <mwc:DataGridTextColumn Header="Name" Binding="{Binding Name}" DisplayIndex="{Binding Source={StaticResource spy}, Path=DataContext.NameDisplayIndex}" /> <mwc:DataGridTextColumn Header="Description" Binding="{Binding Description}" DisplayIndex="{Binding Source={StaticResource spy}, Path=DataContext.DescriptionDisplayIndex}" /> </mwc:DataGrid.Columns> </mwc:DataGrid> </Grid> </Window> Note: If I just use plain numbers for DisplayIndex, everything works fine, so the problem is definitely with the bindings. Update 5/1/2010 I was just doing a little maintenance on my project, and I noticed that when I ran it, the problem I discuss in this post had returned. I knew that it worked last time I ran it, so I eventually narrowed the problem down to the fact that I had installed a newer version of the WPF Toolkit (Feb '10). When I reverted to the June '09 version, everything worked fine again. So, I'm now doing something I should have done in this first place: I'm including the WPFToolkit.dll that works in my solution folder and checking it into version control. It's unfortunate, though, that the newer toolkit has a breaking change.

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• What git branching models actually work - the final question

  - by UncleCJ

  In our company we have successfully deployed git and we are currently using a simple trunk/release/hotfixes branching model. However, this has it's problems, I have some key issues of confusion in the community which would be awesome to have answered here. Maybe my hopes for an Alexander stroke are too great, quite possibly I'll decompose this question into more manageable issues, but here's my first shot. Workflows / branching models - below are the three main descriptions of this I have seen, but they are partially contradicting each other or don't go far enough to sort out the subsequent issues we've run into (as described below). Thus our team so far defaults to not so great solutions. Are you doing something better? gitworkflows(7) Manual Page (nvie) A successful Git branching model (reinh) A Git Workflow for Agile Teams Merging vs rebasing (tangled vs sequential history) - the bids on this are as confusing as it gets. Should one pull --rebase or wait with merging back to the mainline until your task is finished? Personally I lean towards merging since this preserves a visual illustration of on which base a task was started and finished, and I even prefer merge --no-ff for this purpose. It has other drawbacks however. Also many haven't realized the useful property of merging - that it isn't commutative (merging a topic branch into master does not mean merging master into the topic branch). I am looking for a natural workflow - sometimes mistakes happen because our procedures don't capture a specific situation with simple rules. For example a fix needed for earlier releases should of course be based sufficiently downstream to be possible to merge upstream into all branches necessary (is the usage of these terms clear enough?). However it happens that a fix makes it into the master before the developer realizes it should have been placed further downstream, and if that is already pushed (even worse, merged or something based on it) then the option remaining is cherry-picking, with it's associated perils... What simple rules like such do you use? Also in this is included the awkwardness of one topic branch necessarily excluding other topic branches (assuming they are branched from a common baseline). Developers don't want to finish a feature to start another one feeling like the code they just wrote is not there anymore How to avoid creating merge conflicts (due to cherry-pick)? What seems like a sure way to create a merge conflict is to cherry-pick between branches, they can never be merged again? Would applying the same commit in revert (how to do this?) in either branch possibly solve this situation? This is one reason I do not dare to push for a largely merge-based workflow. How to decompose into topical branches? - We realize that it would be awesome to assemble a finished integration from topic branches, but often work by our developers is not clearly defined (sometimes as simple as "poking around") and if some code has already gone into a "misc" topic, it can not be taken out of there again, according to the question above? How do you work with defining/approving/graduating/releasing your topic branches? Proper procedures like code review and graduating would of course be lovely, but we simply cannot keep things untangled enough to manage this - any suggestions? integration branches, illustration please? Vote and comment as much as you'd like, I'll try to keep the issue page clear and informative enough. Thanks! Below is a list of related topics on stackoverflow I have checked out: What are some good strategies to allow deployed applications to be hotfixable? Workflow description for git usage for in-house development Git workflow for corporate Linux kernel development How do you maintain development code and production code? (thanks for this PDF!) git releases management Git Cherry-pick vs Merge Workflow How to cherry-pick multiple commits How do you merge selective files with git-merge? How to cherry pick a range of commits and merge into another branch ReinH Git Workflow git workflow for making modifications you’ll never push back to origin Cherry-pick a merge Proper Git workflow for combined OS and Private code? Maintaining Project with Git Why cant Git merge file changes with a modified parent/master. Git branching / rebasing good practices When will "git pull --rebase" get me in to trouble?

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• .NET: Serializing object to a file from a 3rd party assembly

  - by MacGyver

  Below is a link that describes how to serialize an object. But it requires you implement from ISerializable for the object you are serializing. What I'd like to do is serialize an object that I did not define--an object based on a class in a 3rd party assembly (from a project reference) that is not implementing ISerializable. Is that possible? How can this be done? http://www.switchonthecode.com/tutorials/csharp-tutorial-serialize-objects-to-a-file Property (IWebDriver = interface type): private IWebDriver driver; Object Instance (FireFoxDriver is a class type): driver = new FirefoxDriver(firefoxProfile); ================ 3/21/2012 update after answer posted Why would this throw an error? It doesn't like this line: serializedObject.DriverInstance = (FirefoxDriver)driver; ... Error: Cannot implicitly convert type 'OpenQA.Selenium.IWebDriver' to 'OpenQA.Selenium.Firefox.FirefoxDriver'. An explicit conversion exists (are you missing a cast?) Here is the code: FirefoxDriverSerialized serializedObject = new FirefoxDriverSerialized(); Serializer serializer = new Serializer(); serializedObject = serializer.DeSerializeObject(@"C:\firefoxDriver.qa"); driver = serializedObject.DriverInstance; if (driver == null) { driver = new FirefoxDriver(firefoxProfile); serializedObject.DriverInstance = (FirefoxDriverSerialized)driver; serializer.SerializeObject(@"C:\firefoxDriver.qa", serializedObject); } Here are the two Serializer classes I built: public class Serializer { public Serializer() { } public void SerializeObject(string filename, FirefoxDriverSerialized objectToSerialize) { Stream stream = File.Open(filename, FileMode.Create); BinaryFormatter bFormatter = new BinaryFormatter(); bFormatter.Serialize(stream, objectToSerialize); stream.Close(); } public FirefoxDriverSerialized DeSerializeObject(string filename) { FirefoxDriverSerialized objectToSerialize; Stream stream = File.Open(filename, FileMode.Open); BinaryFormatter bFormatter = new BinaryFormatter(); objectToSerialize = (FirefoxDriverSerialized)bFormatter.Deserialize(stream); stream.Close(); return objectToSerialize; } } [Serializable()] public class FirefoxDriverSerialized : FirefoxDriver, ISerializable { private FirefoxDriver driverInstance; public FirefoxDriver DriverInstance { get { return this.driverInstance; } set { this.driverInstance = value; } } public FirefoxDriverSerialized() { } public FirefoxDriverSerialized(SerializationInfo info, StreamingContext ctxt) { this.driverInstance = (FirefoxDriver)info.GetValue("DriverInstance", typeof(FirefoxDriver)); } public void GetObjectData(SerializationInfo info, StreamingContext ctxt) { info.AddValue("DriverInstance", this.driverInstance); } } ================= 3/23/2012 update #2 - fixed serialization/de-serialization, but having another issue (might be relevant for new question) This fixed the calling code. Because we're deleting the *.qa file when we call the WebDriver.Quit() because that's when we chose to close the browser. This will kill off our cached driver as well. So if we start with a new browser window, we'll hit the catch block and create a new instance and save it to our *.qa file (in the serialized form). FirefoxDriverSerialized serializedObject = new FirefoxDriverSerialized(); Serializer serializer = new Serializer(); try { serializedObject = serializer.DeSerializeObject(@"C:\firefoxDriver.qa"); driver = serializedObject.DriverInstance; } catch { driver = new FirefoxDriver(firefoxProfile); serializedObject = new FirefoxDriverSerialized(); serializedObject.DriverInstance = (FirefoxDriver)driver; serializer.SerializeObject(@"C:\firefoxDriver.qa", serializedObject); } However, still getting this exception: Acu.QA.Main.Test_0055_GiftCertificate_UserCheckout: SetUp : System.Runtime.Serialization.SerializationException : Type 'OpenQA.Selenium.Firefox.FirefoxDriver' in Assembly 'WebDriver, Version=2.16.0.0, Culture=neutral, PublicKeyToken=1c2bd1631853048f' is not marked as serializable. TearDown : System.NullReferenceException : Object reference not set to an instance of an object. The 3rd line in this code block is throwing the exception: public void SerializeObject(string filename, FirefoxDriverSerialized objectToSerialize) { Stream stream = File.Open(filename, FileMode.Create); BinaryFormatter bFormatter = new BinaryFormatter(); bFormatter.Serialize(stream, objectToSerialize); // <=== this line stream.Close(); }

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• .NET 4.0 Dynamic object used statically?

  - by Kevin Won

  I've gotten quite sick of XML configuration files in .NET and want to replace them with a format that is more sane. Therefore, I'm writing a config file parser for C# applications that will take a custom config file format, parse it, and create a Python source string that I can then execute in C# and use as a static object (yes that's right--I want a static (not the static type dyanamic) object in the end). Here's an example of what my config file looks like: // my custom config file format GlobalName: ExampleApp Properties { ExternalServiceTimeout: "120" } Python { // this allows for straight python code to be added to handle custom config def MyCustomPython: return "cool" } Using ANTLR I've created a Lexer/Parser that will convert this format to a Python script. So assume I have that all right and can take the .config above and run my Lexer/Parser on it to get a Python script out the back (this has the added benefit of giving me a validation tool for my config). By running the resultant script in C# // simplified example of getting the dynamic python object in C# // (not how I really do it) ScriptRuntime py = Python.CreateRuntime(); dynamic conf = py.UseFile("conftest.py"); dynamic t = conf.GetConfTest("test"); I can get a dynamic object that has my configuration settings. I can now get my config file settings in C# by invoking a dynamic method on that object: //C# calling a method on the dynamic python object var timeout = t.GetProperty("ExternalServiceTimeout"); //the config also allows for straight Python scripting (via the Python block) var special = t.MyCustonPython(); of course, I have no type safety here and no intellisense support. I have a dynamic representation of my config file, but I want a static one. I know what my Python object's type is--it is actually newing up in instance of a C# class. But since it's happening in python, it's type is not the C# type, but dynamic instead. What I want to do is then cast the object back to the C# type that I know the object is: // doesn't work--can't cast a dynamic to a static type (nulls out) IConfigSettings staticTypeConfig = t as IConfigSettings Is there any way to figure out how to cast the object to the static type? I'm rather doubtful that there is... so doubtful that I took another approach of which I'm not entirely sure about. I'm wondering if someone has a better way... So here's my current tactic: since I know the type of the python object, I am creating a C# wrapper class: public class ConfigSettings : IConfigSettings that takes in a dynamic object in the ctor: public ConfigSettings(dynamic settings) { this.DynamicProxy = settings; } public dynamic DynamicProxy { get; private set; } Now I have a reference to the Python dynamic object of which I know the type. So I can then just put wrappers around the Python methods that I know are there: // wrapper access to the underlying dynamic object // this makes my dynamic object appear 'static' public string GetSetting(string key) { return this.DynamicProxy.GetProperty(key).ToString(); } Now the dynamic object is accessed through this static proxy and thus can obviously be passed around in the static C# world via interface, etc: // dependency inject the dynamic object around IBusinessLogic logic = new BusinessLogic(IConfigSettings config); This solution has the benefits of all the static typing stuff we know and love while at the same time giving me the option of 'bailing out' to dynamic too: // the DynamicProxy property give direct access to the dynamic object var result = config.DynamicProxy.MyCustomPython(); but, man, this seems rather convoluted way of getting to an object that is a static type in the first place! Since the whole dynamic/static interaction world is new to me, I'm really questioning if my solution is optimal or if I'm missing something (i.e. some way of casting that dynamic object to a known static type) about how to bridge the chasm between these two universes.

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• How do I use UIImagePickerController just to display the camera and not take a picture?

  - by Thomas

  Hello All: I'd like to know how to open the camera inside of a pre-defined frame (not the entire screen). When the view loads, I have a box, and inside it, I want to display what the camera sees. I don't want to snap a picture, just basically use the camera as a viewfinder. I have searched this site and have not yet found what I'm looking for. Please help. Thanks! Thomas Update 1: Here is what I have tried so far. 1.) I added UIImageView to my xib. 2.) Connect the following outlet to the UIImageView in IB IBOutlet UIImageView *cameraWindow; 3.) I put the following code in viewWillAppear -(void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; UIImagePickerController *picker = [[UIImagePickerController alloc] init]; picker.delegate = self; picker.sourceType = UIImagePickerControllerSourceTypeCamera; [self presentModalViewController:picker animated:YES]; NSLog(@"viewWillAppear ran"); } But this method does not run, as evident by the absence of NSLog statement from my console. Please help! Thanks, Thomas Update 2: OK I got it to run by putting the code in viewDidLoad but my camera still doesn't show up...any suggestions? Anyone....? I've been reading the UIImagePickerController class reference, but am kinda unsure how to make sense of it. I'm still learning iPhone, so it's a bit of a struggle. Please help! - (void)viewDidLoad { [super viewDidLoad]; // Create a bool variable "camera" and call isSourceTypeAvailable to see if camera exists on device BOOL camera = [UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]; // If there is a camera, then display the world throught the viewfinder if(camera) { UIImagePickerController *picker = [[UIImagePickerController alloc] init]; // Since I'm not actually taking a picture, is a delegate function necessary? picker.delegate = self; picker.sourceType = UIImagePickerControllerSourceTypeCamera; [self presentModalViewController:picker animated:YES]; NSLog(@"Camera is available"); } // Otherwise, do nothing. else NSLog(@"No camera available"); } Thanks! Thomas Update 3: A-HA! Found this on the Apple Class Reference. Discussion The delegate receives notifications when the user picks an image or movie, or exits the picker interface. The delegate also decides when to dismiss the picker interface, so you must provide a delegate to use a picker. If this property is nil, the picker is dismissed immediately if you try to show it. Gonna play around with the delegate now. Then I'm going to read on wtf a delegate is. Backwards? Whatever :-p Update 4: The two delegate functions for the class are – imagePickerController:didFinishPickingMediaWithInfo: – imagePickerControllerDidCancel: and since I don't actually want to pick an image or give the user the option to cancel, I am just defining the methods. They should never run though....I think.

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• How to pre-load all deployed assemblies for an AppDomain

  - by Andras Zoltan

  Given an App Domain, there are many different locations that Fusion (the .Net assembly loader) will probe for a given assembly. Obviously, we take this functionality for granted and, since the probing appears to be embedded within the .Net runtime (Assembly._nLoad internal method seems to be the entry-point when Reflect-Loading - and I assume that implicit loading is probably covered by the same underlying algorithm), as developers we don't seem to be able to gain access to those search paths. My problem is that I have a component that does a lot of dynamic type resolution, and which needs to be able to ensure that all user-deployed assemblies for a given AppDomain are pre-loaded before it starts its work. Yes, it slows down startup - but the benefits we get from this component totally outweight this. The basic loading algorithm I've already written is as follows. It deep-scans a set of folders for any .dll (.exes are being excluded at the moment), and uses Assembly.LoadFrom to load the dll if it's AssemblyName cannot be found in the set of assemblies already loaded into the AppDomain (this is implemented inefficiently, but it can be optimized later): void PreLoad(IEnumerable<string> paths) { foreach(path p in paths) { PreLoad(p); } } void PreLoad(string p) { //all try/catch blocks are elided for brevity string[] files = null; files = Directory.GetFiles(p, "*.dll", SearchOption.AllDirectories); AssemblyName a = null; foreach (var s in files) { a = AssemblyName.GetAssemblyName(s); if (!AppDomain.CurrentDomain.GetAssemblies().Any( assembly => AssemblyName.ReferenceMatchesDefinition( assembly.GetName(), a))) Assembly.LoadFrom(s); } } LoadFrom is used because I've found that using Load() can lead to duplicate assemblies being loaded by Fusion if, when it probes for it, it doesn't find one loaded from where it expects to find it. So, with this in place, all I now have to do is to get a list in precedence order (highest to lowest) of the search paths that Fusion is going to be using when it searches for an assembly. Then I can simply iterate through them. The GAC is irrelevant for this, and I'm not interested in any environment-driven fixed paths that Fusion might use - only those paths that can be gleaned from the AppDomain which contain assemblies expressly deployed for the app. My first iteration of this simply used AppDomain.BaseDirectory. This works for services, form apps and console apps. It doesn't work for an Asp.Net website, however, since there are at least two main locations - the AppDomain.DynamicDirectory (where Asp.Net places it's dynamically generated page classes and any assemblies that the Aspx page code references), and then the site's Bin folder - which can be discovered from the AppDomain.SetupInformation.PrivateBinPath property. So I now have working code for the most basic types of apps now (Sql Server-hosted AppDomains are another story since the filesystem is virtualised) - but I came across an interesting issue a couple of days ago where this code simply doesn't work: the nUnit test runner. This uses both Shadow Copying (so my algorithm would need to be discovering and loading them from the shadow-copy drop folder, not from the bin folder) and it sets up the PrivateBinPath as being relative to the base directory. And of course there are loads of other hosting scenarios that I probably haven't considered; but which must be valid because otherwise Fusion would choke on loading the assemblies. I want to stop feeling around and introducing hack upon hack to accommodate these new scenarios as they crop up - what I want is, given an AppDomain and its setup information, the ability to produce this list of Folders that I should scan in order to pick up all the DLLs that are going to be loaded; regardless of how the AppDomain is setup. If Fusion can see them as all the same, then so should my code. Of course, I might have to alter the algorithm if .Net changes its internals - that's just a cross I'll have to bear. Equally, I'm happy to consider SQL Server and any other similar environments as edge-cases that remain unsupported for now. Any ideas!?

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• Unity The parameter host could not be resolved when attempting to call constructor

  - by Terrance

  When I attempt to instantiate my instance of the base class I get the error: a ResolutionFailedException with roughly the following error "The parameter host could not be resolved when attempting to call constructor" I'm currently not using an Interface for the base type and my instance of the class is inheriting the base type class. I'm new to Unity and DI so I'm thinking its something I forgot possibly. ExeConfigurationFileMap map = new ExeConfigurationFileMap(); map.ExeConfigFilename = "Unity.Config"; Configuration config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None); UnityConfigurationSection section = (UnityConfigurationSection)config.GetSection("unity"); IUnityContainer container = new UnityContainer(); section.Containers.Default.Configure(container); //Throws exception here on this BaseCalculatorServer server = container.Resolve<BaseCalculatorServer>(); and the Unity.Config file <container> <types> <type name ="CalculatorServer" type="Calculator.Logic.BaseCalculatorServer, Calculator.Logic" mapTo="Calculator.Logic.CalculateApi, Calculator.Logic"/> </types> </container> </containers> The Base class using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Runtime.Serialization; using System.ServiceModel; using System.ServiceModel.Transactions; using Microsoft.Practices.Unity; using Calculator.Logic; namespace Calculator.Logic { public class BaseCalculatorServer : IDisposable { public BaseCalculatorServer(){} public CalculateDelegate Calculate { get; set; } public CalculationHistoryDelegate CalculationHistory { get; set; } /// <summary> /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. /// </summary> public void Dispose() { this.Dispose(); } } } The Implementation using System; using System.Collections.Generic; using System.Linq; using System.Text; using Calculator.Logic; using System.ServiceModel; using System.ServiceModel.Configuration; using Microsoft.Practices.Unity; namespace Calculator.Logic { public class CalculateApi:BaseCalculatorServer { public CalculateApi(ServiceHost host) { host.Open(); Console.WriteLine("Press Enter To Exit"); Console.ReadLine(); host.Close(); } public CalculateDelegate Calculate { get; set; } public CalculationHistoryDelegate CalculationHistory { get; set; } } } Yes both base class and implementation are in the same Namespace and thats something design wise that will change once I get this working. Oh and a more detailed error Resolution of the dependency failed, type = "Calculator.Logic.BaseCalculatorServer", name = "". Exception message is: The current build operation (build key Build Key[Calculator.Logic.BaseCalculatorServer, null]) failed: The value for the property "Calculate" could not be resolved. (Strategy type BuildPlanStrategy, index 3)

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• java.rmi.UnmarshalException: unable to pull client classes by server

  - by andrews

  Hi, I have an RMI client/server set-up on two machines that works fine in a simple situation when the server doesn't require a client-side defned class. However, when I need to use a class defined on the client side I am unable to have the server unmarshall those classes. I suspect this is an issue with my java.rmi.server.codebase property that I pass in as argument to the client app. I followed Sun's RMI Tutorial trail and I think I have followed the steps exactly except that I don't specify a classpath argument when executing client and server because they execute in the directory right above the root package directory (however I tried that too with no effect). The exceptions I get when attempting to execute the different client-side combinations described in detail below are all the same: RmiServer exception: java.rmi.ServerException: RemoteException occurred in server thread; nested exception is: java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is: java.lang.ClassNotFoundException: test.MyTask at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:353) at sun.rmi.transport.Transport$1.run(Transport.java:177) at java.security.AccessController.doPrivileged(Native Method) at sun.rmi.transport.Transport.serviceCall(Transport.java:173) at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:553) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:808) at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:667) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:636) at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:255) at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:233) at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:142) at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:178) at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:132) at $Proxy0.execute(Unknown Source) at test.myClient.main(myClient.java:32) The details are: My client/server rmi is set up over a home network behind a router. The router is assigned to a static ip address I will call myhostname. Appropriate port-mapping is set-up in the router that points to the right machines. role, machine, os, ip-address: server, venice, linux ubuntu 9.10, 10.0.1.2 client, naples, mac os x leopard, 10.0.1.4 I startup the server side as follows inside /home/andrews/workspace/epsilon/bin: 1 starting registry on the default port 1099: venice% rmiregistry & 2 starting web-server on port 2001 pointing to code base for common interfaces: venice% java webserver/ClassFileServer 2001 /home/andrew/workspace/epsilon/bin 3 starting server app (main class in test/myServer) which registers the server object: venice% java -Djava.rmi.server.codebase="http://myhostname:2001/" -Djava.security.policy=server.policy -Djava.rmi.server.hostname=myhostname test/myServer & Now the client side inside /Users/andrews/Development/Java/workspace/epsilon/bin: 1 start a local web server that can server client-side classes to the server (not sure if this is needed, but I added I tried it, and still no success; I have added port-mapping to the router for 2001 to venice, for 2002 to naples) naples$ java webserver/ClassFileServer 2002 /Users/andrews/Development/Java/workspace/epsilon/bin/ Trying to run the client (note: I don't specify the -cp argument because client executes right above the root package directory): 1 try #1 using an http hostname naples$ java -Djava.rmi.server.codebase=http://10.0.1.4:2002/ -Djava.security.policy=client.policy test.myClient myhostname Note 1: the myhostname argument at the end is passed-in to the client so that it resolves to server's rmi hostname. Note 2: I tried using localhost:2002 instead of 10.0.1.4:2002 too. Note 3: I tried using myhostname:2002 since myhostname is assigned to the router and I have proper port-mapping set-up, this address should resolve to naples and not venice 2 try #2: naples$ java -Djava.rmi.server.codebase=file:/Users/andrews/Development/Java/workspace/epsilon/bin/ -Djava.security.policy=client.policy test.myClient myhostname Note 1: the code base url format is correct, I created a small program to convert current file directory path into a url and used that. using file:///Users... has same effect. Other notes: 1 my server and client policy files correctly specify the path, as I've tested this setup with good and bad paths, and getting a security exception for bad path 2 this setup works if I don't use client-side defined objects, the client connects correctly to the server and the server executes. 3 when I place the client-side class on the server in the server's classpath, all executes fine. All help is appreciated.

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• Flex list control itemrenderer issue

  - by Jerry

  Hi Guys I am working on a small photo Gallery. I create a xml file and try to link it to my List control with itemrenderer. However, when I tried to save the file, I got access of undefined property data. Here is my code...and thanks a lot! <?xml version="1.0" encoding="utf-8"?> <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"> <fx:Declarations> <fx:Model id="pictureXML" source="data/pictures.xml"/> <s:ArrayList id="pictureArray" source="{pictureXML.picture}"/> </fx:Declarations> <s:List id="pictureGrid" dataProvider="{pictureArray}" horizontalCenter="0" top="20"> <s:itemRenderer> <fx:Component> <s:HGroup> <mx:Image source="images/big/{data.source}" /> <s:Label text="{data.caption}"/> </s:HGroup> </fx:Component> </s:itemRenderer> </s:List> </s:Application> My xml <?xml version="1.0"?> <album> <picture> <source>city1.jpg </source> <caption>City View 1</caption> </picture> <picture> <source>city2.jpg </source> <caption>City View 2</caption> </picture> <picture> <source>city3.jpg </source> <caption>City View 3</caption> </picture> <picture> <source>city4.jpg </source> <caption>City View 4</caption> </picture> <picture> <source>city5.jpg </source> <caption>City View 5</caption> </picture> <picture> <source>city6.jpg </source> <caption>City View 6</caption> </picture> <picture> <source>city7.jpg </source> <caption>City View 7</caption> </picture> <picture> <source>city8.jpg </source> <caption>City View 8</caption> </picture> <picture> <source>city9.jpg </source> <caption>City View 9</caption> </picture> <picture> <source>city10.jpg </source> <caption>City View 10</caption> </picture> </album> I appreciate any helps!!!

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• jquery $.getJSON only works once in internet explorer Help Please!!!

  - by JasperS

  I have a php function which inserts a searchbar into each page on a website. The site checks to see if the user has javascript enabled and if they do it inserts some jquery ajax stuff to link select boxes (instead of using it's fallback onchange="form.submit()"). $.getJSON works perfectly for me in other browsers except in IE, if I do a full page refresh (ctrl+F5) in IE my ajax works flawlessly until I navigate to a new page (or the same page with $PHP_SELF) either by submiting the form or clicking a link the jquery onchange function fires but then jquery throws an error: Webpage error details Message: Object doesn't support this property or method Line: 123 Char: 183 Code: 0 URI: http://~#UNABLE~TO~DISCLOSE#~/jquery-1.4.2.min.js It seems like jquery function $.getJSON() is gone??? This seems to be some kind of caching issue as it happens on the second page load but I think i've go all the caching prevention in place anyways, here's a snipet of the code that ads the jquery functions: if (isset($_SESSION['NO_SCRIPT']) == true && $_SESSION['NO_SCRIPT'] == false) { $html .= '<script type="text/javascript" charset="utf-8">'; $html .= '$.ajaxSetup({ cache: false });'; $html .= '$.ajaxSetup({"error":function(XMLHttpRequest,textStatus, errorThrown) { alert(textStatus); alert(errorThrown); alert(XMLHttpRequest.responseText); }});'; $html .= '</script>'; $html .= '<script type="text/javascript" charset="utf-8">'; $html .= '$(function(){ $("select#searchtype").change(function() { '; $html .= 'alert("change fired!"); '; $html .= '$.getJSON("ajaxgetcategories.php", {id: $(this).val()}, function(j) { '; $html .= 'alert("ajax returned!"); '; $html .= 'var options = \'\'; '; $html .= 'options += \'<option value="0" >--\' + j[0].all + \'--</option>\'; '; $html .= 'for (var i = 0; i < j.length; i++) { options += \'<option value="\' + j[i].id + \'">\' + j[i].name + \'</option>\'; } '; $html .= '$("select#searchcategory").html(options); }) }) }) '; $html .= '</script> '; $html .= '<script type="text/javascript" charset="utf-8"> '; $html .= '$(function(){ $("select#searchregion").change(function() { '; $html .= 'alert("change fired!"); '; $html .= '$.getJSON("ajaxgetcountries.php", {id: $(this).val()}, function(j) { '; $html .= 'alert("ajax returned!"); '; $html .= 'var options = \'\'; '; $html .= 'options += \'<option value="0" >--\' + j[0].all + \'--</option>\'; '; $html .= 'for (var i = 0; i < j.length; i++) { options += \'<option value="\' + j[i].id + \'">\' + j[i].name + \'</option>\'; } '; $html .= '$("select#searchcountry").html(options); }) }) }) '; $html .= '</script> '; }; return $html; remember, this is part of a php funtion that inserts a script into the html and sorry if it looks a bit messy, I'm new to PHP and Javascript and I'm a bit untidy too :) Please also remember that this works perfectly in IE on the first visit but after any navigation I get the error. Thanks guys

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• Maven antrun with sequential ant-contrib fails to run

  - by codevour

  We have a special routine to explode files in a subfolder into extensions, which will be copied and jared into single extension files. For this special approach I wanted to use the maven-antrun-plugin, for the sequential iteration and jar packaging through the dirset, we need the library ant-contrib. The upcoming plugin configuration fails with an error. What did I misconfigured? Thank you. Plugin configuration <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-antrun-plugin</artifactId> <version>1.6</version> <executions> <execution> <phase>validate</phase> <goals> <goal>run</goal> </goals> <configuration> <target> <for param="extension"> <path> <dirset dir="${basedir}/src/main/webapp/WEB-INF/resources/extensions/"> <include name="*" /> </dirset> </path> <sequential> <basename property="extension.name" file="${extension}" /> <echo message="Creating JAR for extension '${extension.name}'." /> <jar destfile="${basedir}/target/extension-${extension.name}-1.0.0.jar"> <zipfileset dir="${extension}" prefix="WEB-INF/resources/extensions/${extension.name}/"> <include name="**/*" /> </zipfileset> </jar> </sequential> </for> </target> </configuration> </execution> </executions> <dependencies> <dependency> <groupId>ant-contrib</groupId> <artifactId>ant-contrib</artifactId> <version>1.0b3</version> <exclusions> <exclusion> <groupId>ant</groupId> <artifactId>ant</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.apache.ant</groupId> <artifactId>ant-nodeps</artifactId> <version>1.8.1</version> </dependency> </dependencies> </plugin> Error [ERROR] Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.6:run (default) on project extension-platform: An Ant BuildException has occured: Problem: failed to create task or type for [ERROR] Cause: The name is undefined. [ERROR] Action: Check the spelling. [ERROR] Action: Check that any custom tasks/types have been declared. [ERROR] Action: Check that any <presetdef>/<macrodef> declarations have taken place. [ERROR] -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

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• WPF Storyboard issue

  - by Vinjamuri

  In the following template, the button is displayed with Normal image when the application is started, but when the mouse is over, the button doesn't get changed to mouse over image. Appreciate your help!!! I want some solution without major changes in the design. <Style TargetType="{x:Type local:ButtonControl}"> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type local:ButtonControl}"> <Grid> <VisualStateManager.VisualStateGroups> <VisualStateGroup x:Name="CommonStates"> <VisualState x:Name="Normal"> <Storyboard> <DoubleAnimation Duration="00:00:00.20" Storyboard.TargetName="imgNormal" Storyboard.TargetProperty="Opacity" To="1" /> </Storyboard> </VisualState> <VisualState x:Name="MouseOver"> <Storyboard> <DoubleAnimation Duration="00:00:00.20" Storyboard.TargetName="imgNormal" Storyboard.TargetProperty="Opacity" To="0" /> <DoubleAnimation Duration="00:00:00.20" Storyboard.TargetName="imgOver" Storyboard.TargetProperty="Opacity" To="1" /> </Storyboard> </VisualState> <VisualState x:Name="Disabled"> <Storyboard> <DoubleAnimation Duration="00:00:00.20" Storyboard.TargetName="imgDisable" Storyboard.TargetProperty="Opacity" To="1" /> </Storyboard> </VisualState> <VisualState x:Name="Pressed"> <Storyboard> <DoubleAnimation Duration="00:00:00.20" Storyboard.TargetName="imgPress" Storyboard.TargetProperty="Opacity" To="1" /> </Storyboard> </VisualState> </VisualStateGroup> </VisualStateManager.VisualStateGroups> <Grid> <Border x:Name="imgNormal"> <Image Source="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=NormalImage}" Opacity="1" Stretch="UniformToFill"/> </Border> </Grid> <Grid> <Border x:Name="imgOver"> <Image Source="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=MouseOverImage}" Opacity="0" Stretch="UniformToFill"/> </Border> </Grid> <Grid> <Border x:Name="imgDisable"> <Image Source="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=DisableImage}" Opacity="0" Stretch="UniformToFill"/> </Border> </Grid> <Grid> <Border x:Name="imgPress"> <Image Source="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=MousePressImage}" Opacity="0" Stretch="UniformToFill"/> </Border> </Grid> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style>

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• Sharing the model in MVP Winforms App

  - by Keith G

  I'm working on building up an MVP application (C# Winforms). My initial version is at http://stackoverflow.com/questions/1422343/ ... Now I'm increasing the complexity. I've broken out the code to handle two separate text fields into two view/presenter pairs. It's a trivial example, but it's to work out the details of multiple presenters sharing the same model. My questions are about the model: I am basically using a property changed event raised by the model for notifying views that something has changed. Is that a good approach? What if it gets to the point where I have 100 or 1000 properties? Is it still practical at that point? Is instantiating the model in each presenter with   NoteModel _model = NoteModel.Instance   the correct approach? Note that I do want to make sure all of the presenters are sharing the same data. If there is a better approach, I'm open to suggestions .... My code looks like this: NoteModel.cs public class NoteModel : INotifyPropertyChanged { private static NoteModel _instance = null; public static NoteModel Instance { get { return _instance; } } static NoteModel() { _instance = new NoteModel(); } private NoteModel() { Initialize(); } public string Filename { get; set; } public bool IsDirty { get; set; } public readonly string DefaultName = "Untitled.txt"; string _sText; public string TheText { get { return _sText; } set { _sText = value; PropertyHasChanged("TheText"); } } string _sMoreText; public string MoreText { get { return _sMoreText; } set { _sMoreText = value; PropertyHasChanged("MoreText"); } } public void Initialize() { Filename = DefaultName; TheText = String.Empty; MoreText = String.Empty; IsDirty = false; } private void PropertyHasChanged(string sPropName) { IsDirty = true; if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs(sPropName)); } } public event PropertyChangedEventHandler PropertyChanged; } TextEditorPresenter.cs public class TextEditorPresenter { ITextEditorView _view; NoteModel _model = NoteModel.Instance; public TextEditorPresenter(ITextEditorView view)//, NoteModel model) { //_model = model; _view = view; _model.PropertyChanged += new PropertyChangedEventHandler(model_PropertyChanged); } void model_PropertyChanged(object sender, PropertyChangedEventArgs e) { if (e.PropertyName == "TheText") _view.TheText = _model.TheText; } public void TextModified() { _model.TheText = _view.TheText; } public void ClearView() { _view.TheText = String.Empty; } } TextEditor2Presenter.cs is essentially the same except it operates on _model.MoreText instead of _model.TheText. ITextEditorView.cs public interface ITextEditorView { string TheText { get; set; } } ITextEditor2View.cs public interface ITextEditor2View { string MoreText { get; set; } }

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• App crashes after a few seconds

  - by Declan Scott

  when i launch my app, on trying to do something, it will crash after a couple of seconds. I have warnings of warning: incorrect implementation of "downloadTextViewCOntroller. I also have "method definiton for -timerFinished not found and"method definiton for -timerFinished not found" this is my .m plese help me. the .h is also t the bottom // // downloadTextViewController.m // downloadText // // Created by Declan Scott on 18/03/10. // Copyright MyCompanyName 2010. All rights reserved. // #import "downloadTextViewController.h" @implementation downloadTextViewController @synthesize start; -(IBAction)tapit { start.hidden = YES; } -(void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration { if (fabsf(acceleration.x) 2.0 || fabsf(acceleration.y) 2.0 || fabsf(acceleration.z) 2.0) { UIAlertView *alert = [[UIAlertView alloc] initWithTitle:nil message:@"This app was developed by Declan Scott and demonstrates NSURLConnection and NSMutableData" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil]; [alert show]; [alert release]; } } (NSString *) saveFilePath { NSArray *pathArray = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); return [[pathArray objectAtIndex:0] stringByAppendingPathComponent:@"savedddata.plist"]; } (void)applicationWillTerminate:(UIApplication *)application { NSArray *values = [[NSArray alloc] initWithObjects:textView.text,nil]; [values writeToFile:[self saveFilePath] atomically:YES]; [values release]; } (void)viewDidLoad { UIAccelerometer *accelerometer = [UIAccelerometer sharedAccelerometer]; accelerometer.delegate = self; accelerometer.updateInterval = 1.0f/60.0f; NSString *myPath = [self saveFilePath]; NSLog(myPath); BOOL fileExists = [[NSFileManager defaultManager] fileExistsAtPath:myPath]; if (fileExists) { NSArray *values = [[NSArray alloc] initWithContentsOfFile:myPath]; textView.text = [values objectAtIndex:0]; [values release]; } // notification UIApplication *myApp = [UIApplication sharedApplication]; // add yourself to the dispatch table [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationWillTerminate:) name:UIApplicationWillTerminateNotification object:myApp]; [super viewDidLoad]; } // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (IBAction)fetchData { loadingAlert = [[UIAlertView alloc] initWithTitle:@"Loading…\n\n\n\n" message:nil delegate:self cancelButtonTitle:@"Cancel Timer" otherButtonTitles:nil]; [loadingAlert show]; UIActivityIndicatorView *activityView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite]; activityView.frame = CGRectMake(139.0f-18.0f, 60.0f, 37.0f, 37.0f); [loadingAlert addSubview:activityView]; [activityView startAnimating]; timer = [NSTimer scheduledTimerWithTimeInterval:10.0f target:self selector:@selector(timerFinished) userInfo:nil repeats:NO]; NSURLRequest *downloadRequest = [NSURLRequest requestWithURL:[NSURL URLWithString:@"http://simpsonatyapps.com/exampletext.txt"] cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:1.0]; NSURLConnection *downloadConnection = [[NSURLConnection alloc] initWithRequest:downloadRequest delegate:self]; if (downloadConnection) downloadedData = [[NSMutableData data] retain]; else { // Error } } (void)connection:(NSURLConnection *)downloadConnection didReceiveData:(NSData *)data { [downloadedData appendData:data]; NSString *file = [[NSString alloc] initWithData:downloadedData encoding:NSUTF8StringEncoding]; textView.text = file; // get rid of alert [loadingAlert dismissWithClickedButtonIndex:-1 animated:YES]; [loadingAlert release]; /// add badge [[UIApplication sharedApplication] setApplicationIconBadgeNumber:1]; } (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } (void)viewDidUnload { // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } (void)dealloc { [super dealloc]; } (NSCachedURLResponse *)connection:(NSURLConnection *)connection willCacheResponse:(NSCachedURLResponse *)cachedResponse { return nil; } @end // // downloadTextViewController.h // downloadText // // Created by Declan Scott on 18/03/10. // Copyright MyCompanyName 2010. All rights reserved. // import @interface downloadTextViewController : UIViewController { IBOutlet UITextView *textView; NSMutableData *downloadedData; UIAlertView *loadingAlert; NSTimer *timer; IBOutlet UIButton *start; } - (IBAction)fetchData; - (IBAction)tapIt; - (void)timerFinished; @property (nonatomic, retain) UIButton *start; @end

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• The maximum message size quota for incoming messages (65536) has been exceeded.

  - by DaleyKD

  My WCF Service has an OperationContract that accepts, as a parameter, an array of objects. This can potentially be quite large. After looking for fixes for Bad Request: 400, I found the real reason: the maximum message size. I know this question has been asked before in MANY places. I've tried what everyone says: "Increase the sizes in the client and server config files." I have. It still doesn't work. My Service's web.config: <system.serviceModel> <services> <service name="myService"> <endpoint name="myEndpoint" address="" binding="basicHttpBinding" bindingConfiguration="myBinding" contract="Meisel.WCF.PDFDocs.IPDFDocsService" /> </service> </services> <bindings> <basicHttpBinding> <binding name="myBinding" closeTimeout="00:11:00" openTimeout="00:11:00" receiveTimeout="00:15:00" sendTimeout="00:15:00" maxBufferSize="2147483647" maxReceivedMessageSize="2147483647" maxBufferPoolSize="2147483647" transferMode="Buffered" allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" messageEncoding="Text" textEncoding="utf-8" useDefaultWebProxy="true"> <readerQuotas maxDepth="2147483647" maxStringContentLength="2147483647" maxArrayLength="2147483647" maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647" /> <security mode="None" /> </binding> </basicHttpBinding> </bindings> <behaviors> <serviceBehaviors> <behavior> <serviceMetadata httpGetEnabled="true" /> <serviceDebug includeExceptionDetailInFaults="true" /> <dataContractSerializer maxItemsInObjectGraph="2147483647" /> </behavior> </serviceBehaviors> </behaviors> <serviceHostingEnvironment multipleSiteBindingsEnabled="true" /> </system.serviceModel> My Client's app.config: <system.serviceModel> <bindings> <basicHttpBinding> <binding name="BasicHttpBinding_IPDFDocsService" closeTimeout="00:11:00" openTimeout="00:11:00" receiveTimeout="00:10:00" sendTimeout="00:11:00" allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard" maxBufferSize="2147483647" maxBufferPoolSize="2147483647" maxReceivedMessageSize="2147483647" messageEncoding="Text" textEncoding="utf-8" transferMode="Buffered" useDefaultWebProxy="true"> <readerQuotas maxDepth="32" maxStringContentLength="2147483647" maxArrayLength="2147483647" maxBytesPerRead="2147483647" maxNameTableCharCount="2147483647" /> <security mode="None"> <transport clientCredentialType="None" proxyCredentialType="None" realm="" /> <message clientCredentialType="UserName" algorithmSuite="Default" /> </security> </binding> </basicHttpBinding> </bindings> <client> <endpoint address="http://localhost:8451/PDFDocsService.svc" behaviorConfiguration="MoreItemsInObjectGraph" binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IPDFDocsService" contract="PDFDocsService.IPDFDocsService" name="BasicHttpBinding_IPDFDocsService" /> </client> <behaviors> <endpointBehaviors> <behavior name="MoreItemsInObjectGraph"> <dataContractSerializer maxItemsInObjectGraph="2147483647" /> </behavior> </endpointBehaviors> </behaviors> </system.serviceModel> What can I possibly be missing or doing wrong? It's as though the service is ignoring what I typed in the maxReceivedBufferSize. Thanks in advance, Kyle UPDATE Here are two other StackOverflow questions where they never received an answer, either: http://stackoverflow.com/questions/2880623/maxreceivedmessagesize-adjusted-but-still-getting-the-quotaexceedexception-with http://stackoverflow.com/questions/2569715/wcf-maxreceivedmessagesize-property-not-taking

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• Excel Macro Runtime error 428 in Excel 2003

  - by Adam

  Hi I have created a xlt excel template which works fine in Excel 2007 under compatibility mode and shows no errors on compatibility check. The template runs a number of Macros which creates pivot tables and charts. When a colleague tries to run the same xlt on excel 2003 they get a Runtime error 428 (Object does not support this property or method). The runtime error fails at this point; ActiveWorkbook.PivotCaches.Create(SourceType:=xlDatabase, SourceData:= _ "raw!R1C1:R65536C37", Version:=xlPivotTableVersion10).CreatePivotTable _ TableDestination:="Frontpage!R7C1", TableName:="PivotTable2", _ DefaultVersion:=xlPivotTableVersion10 Any help would be appreciated. This is the full Macro; Sub Auto_Open() ' ' ImportData Macro ' Macro to import data, Data must be in your local D: Drive and named raw.csv ' ' Sheets("raw").Select With ActiveSheet.QueryTables.Add(Connection:= _ "TEXT;d:\raw.csv", Destination:=Range _ ("$A$1")) .Name = "raw_1" .FieldNames = True .RowNumbers = False .FillAdjacentFormulas = False .PreserveFormatting = True .RefreshOnFileOpen = False .RefreshStyle = xlInsertDeleteCells .SavePassword = False .SaveData = True .AdjustColumnWidth = True .RefreshPeriod = 0 .TextFilePromptOnRefresh = False .TextFilePlatform = 850 .TextFileStartRow = 1 .TextFileParseType = xlDelimited .TextFileTextQualifier = xlTextQualifierDoubleQuote .TextFileConsecutiveDelimiter = False .TextFileTabDelimiter = False .TextFileSemicolonDelimiter = False .TextFileCommaDelimiter = True .TextFileSpaceDelimiter = False .TextFileColumnDataTypes = Array(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, _ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1) .TextFileTrailingMinusNumbers = True .Refresh BackgroundQuery:=False End With ' ' AddMonthColumn Macro ' ' Sheets("raw").Select Range("AK1").Select ActiveCell.FormulaR1C1 = "Month" Range("AK2").FormulaR1C1 = "=DATE(YEAR(RC[-36]),MONTH(RC[-36]),1)" LastRow = ActiveSheet.UsedRange.Rows.Count Range("AK2").AutoFill Destination:=Range("AK2:AK" & LastRow) Columns("AK:AK").EntireColumn.AutoFit Columns("AK:AK").Select Selection.NumberFormat = "mmmm" With Selection .HorizontalAlignment = xlCenter End With Columns("AK:AK").EntireColumn.AutoFit Selection.Copy Selection.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone, SkipBlanks _ :=False, Transpose:=False ' ' Add Report Information [Text] ' Sheets("Frontpage").Select Range("A2:N2").Select Selection.Merge ActiveCell.FormulaR1C1 = "Service Activity Report" With Selection.Font .Size = 20 End With Range("A3:N3").Select Selection.Merge ActiveCell.FormulaR1C1 = InputBox("Customer Name") With Selection .HorizontalAlignment = xlCenter .VerticalAlignment = xlCenter End With Range("A4:N4").Select Selection.Merge ActiveCell.FormulaR1C1 = InputBox("Date Range dd/mm/yyyy - dd/mm/yyyy") With Selection .HorizontalAlignment = xlCenter .VerticalAlignment = xlCenter End With ' ' IncidentsbyPriority Macro ' ' Sheets("Frontpage").Select Range("A7").Select ActiveWorkbook.PivotCaches.Create(SourceType:=xlDatabase, SourceData:= _ "raw!R1C1:R65536C37", Version:=xlPivotTableVersion10).CreatePivotTable _ TableDestination:="Frontpage!R7C1", TableName:="PivotTable2", _ DefaultVersion:=xlPivotTableVersion10 Sheets("Frontpage").Select Cells(7, 1).Select ActiveSheet.Shapes.AddChart.Select ActiveChart.SetSourceData Source:=Range("Frontpage!$A$7:$H$22") ActiveChart.ChartType = xlColumnClustered With ActiveSheet.PivotTables("PivotTable2").PivotFields("Priority") .Orientation = xlRowField .Position = 1 End With ActiveSheet.PivotTables("PivotTable2").AddDataField ActiveSheet.PivotTables( _ "PivotTable2").PivotFields("Case ID"), "Count of Case ID", xlCount ActiveChart.Parent.Name = "IncidentsbyPriority" ActiveChart.ChartTitle.Text = "Incidents by Priority" Dim RngToCover As Range Dim ChtOb As ChartObject Set RngToCover = ActiveSheet.Range("D7:L16") Set ChtOb = ActiveSheet.ChartObjects("IncidentsbyPriority") ChtOb.Height = RngToCover.Height ' resize ChtOb.Width = RngToCover.Width ' resize ChtOb.Top = RngToCover.Top ' reposition ChtOb.Left = RngToCover.Left ' reposition ' ' IncidentbyMonth Macro ' ' Sheets("Frontpage").Select ActiveWorkbook.PivotCaches.Create(SourceType:=xlDatabase, SourceData:= _ "raw!R1C1:R65536C37", Version:=xlPivotTableVersion10).CreatePivotTable _ TableDestination:="Frontpage!R18C1", TableName:="PivotTable4", _ DefaultVersion:=xlPivotTableVersion10 Sheets("Frontpage").Select Cells(18, 1).Select ActiveSheet.Shapes.AddChart.Select ActiveChart.SetSourceData Source:=Range("Frontpage!$A$18:$H$38") ActiveChart.ChartType = xlColumnClustered With ActiveSheet.PivotTables("PivotTable4").PivotFields("Month") .Orientation = xlRowField .Position = 1 End With ActiveSheet.PivotTables("PivotTable4").AddDataField ActiveSheet.PivotTables( _ "PivotTable4").PivotFields("Case ID"), "Count of Case ID", xlCount ActiveChart.Parent.Name = "IncidentbyMonth" ActiveChart.ChartTitle.Text = "Incidents by Month" Dim RngToCover2 As Range Dim ChtOb2 As ChartObject Set RngToCover2 = ActiveSheet.Range("D18:L30") Set ChtOb2 = ActiveSheet.ChartObjects("IncidentbyMonth") ChtOb2.Height = RngToCover2.Height ' resize ChtOb2.Width = RngToCover2.Width ' resize ChtOb2.Top = RngToCover2.Top ' reposition ChtOb2.Left = RngToCover2.Left ' reposition ' ' IncidentbyCategory Macro ' ' Sheets("Frontpage").Select ActiveWorkbook.PivotCaches.Create(SourceType:=xlDatabase, SourceData:= _ "raw!R1C1:R65536C37", Version:=xlPivotTableVersion10).CreatePivotTable _ TableDestination:="Frontpage!R38C1", TableName:="PivotTable6", _ DefaultVersion:=xlPivotTableVersion10 Sheets("Frontpage").Select Cells(38, 1).Select ActiveSheet.Shapes.AddChart.Select ActiveChart.SetSourceData Source:=Range("Frontpage!$A$38:$H$119") ActiveChart.ChartType = xlColumnClustered With ActiveSheet.PivotTables("PivotTable6").PivotFields("Category 2") .Orientation = xlRowField .Position = 1 End With With ActiveSheet.PivotTables("PivotTable6").PivotFields("Category 3") .Orientation = xlPageField .Position = 1 End With ActiveSheet.PivotTables("PivotTable6").AddDataField ActiveSheet.PivotTables( _ "PivotTable6").PivotFields("Case ID"), "Count of Case ID", xlCount ActiveChart.Parent.Name = "IncidentbyCategory" ActiveChart.ChartTitle.Text = "Incidents by Category" Dim RngToCover3 As Range Dim ChtOb3 As ChartObject Set RngToCover3 = ActiveSheet.Range("D38:L56") Set ChtOb3 = ActiveSheet.ChartObjects("IncidentbyCategory") ChtOb3.Height = RngToCover3.Height ' resize ChtOb3.Width = RngToCover3.Width ' resize ChtOb3.Top = RngToCover3.Top ' reposition ChtOb3.Left = RngToCover3.Left ' reposition ' ' IncidentsbySiteandPriority Macro ' ' Sheets("Frontpage").Select Range("A71").Select ActiveWorkbook.PivotCaches.Create(SourceType:=xlDatabase, SourceData:= _ "raw!R1C1:R65536C37", Version:=xlPivotTableVersion10).CreatePivotTable _ TableDestination:="Frontpage!R71C1", TableName:="PivotTable3", _ DefaultVersion:=xlPivotTableVersion10 Sheets("Frontpage").Select Cells(71, 1).Select ActiveSheet.Shapes.AddChart.Select ActiveChart.SetSourceData Source:=Range("Frontpage!$A$71:$H$90") ActiveChart.ChartType = xlColumnClustered With ActiveSheet.PivotTables("PivotTable3").PivotFields("Site Name") .Orientation = xlRowField .Position = 1 End With With ActiveSheet.PivotTables("PivotTable3").PivotFields("Priority") .Orientation = xlColumnField .Position = 1 End With ActiveSheet.PivotTables("PivotTable3").AddDataField ActiveSheet.PivotTables( _ "PivotTable3").PivotFields("Case ID"), "Count of Case ID", xlCount ActiveChart.Parent.Name = "IncidentbySiteandPriority" ' ActiveChart.ChartTitle.Text = "Incidents by Site and Priority" Dim RngToCover4 As Range Dim ChtOb4 As ChartObject Set RngToCover4 = ActiveSheet.Range("H71:O91") Set ChtOb4 = ActiveSheet.ChartObjects("IncidentbySiteandPriority") ChtOb4.Height = RngToCover4.Height ' resize ChtOb4.Width = RngToCover4.Width ' resize ChtOb4.Top = RngToCover4.Top ' reposition ChtOb4.Left = RngToCover4.Left ' reposition Columns("A:G").Select Range("A52").Activate Columns("A:G").EntireColumn.AutoFit End Sub

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• Run javascript after form submission in update panel?

  - by AverageJoe719

  This is driving me crazy! I have read at least 5 questions on here closely related to my problem, and probably 5 or so more pages just from googling. I just don't get it. I am trying to have a jqueryui dialog come up after a user fills out a form saying 'registration submitted' and then redirecting to another page, but I cannot for the life of me get any javascript to work, not even a single alert. Here is my update panel: <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> <asp:UpdatePanel ID="upForm" runat="server" UpdateMode="Conditional" ChildrenAsTriggers="False"> <ContentTemplate> 'Rest of form' <asp:Button ID="btnSubmit" runat="server" Text="Submit" /> <p>Did register Pass? <%= registrationComplete %></p> </ContentTemplate> </asp:UpdatePanel> The Jquery I want to execute: (Right now this is sitting in the head of the markup, with autoOpen set to false) <script type="text/javascript"> function pageLoad() { $('#registerComplete').dialog({ autoOpen: true, width: 270, resizable: false, modal: true, draggable: false, buttons: { "Ok": function() { window.location.href = "someUrl"; } } }); } </script> Finally my code behind: ( Commented out all the things I've tried) Protected Sub btnSubmit_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnSubmit.Click 'Dim sbScript As New StringBuilder()' registrationComplete = True registrationUpdatePanel.Update() 'sbScript.Append("<script language='JavaScript' type='text/javascript'>" + ControlChars.Lf)' 'sbScript.Append("<!--" + ControlChars.Lf)' 'sbScript.Append("window.location.reload()" + ControlChars.Lf)' 'sbScript.Append("// -->" + ControlChars.Lf)' 'sbScript.Append("</")' 'sbScript.Append("script>" + ControlChars.Lf)' 'ScriptManager.RegisterClientScriptBlock(Me.Page, Me.GetType(), "AutoPostBack", sbScript.ToString(), False)' 'ClientScript.RegisterStartupScript("AutoPostBackScript", sbScript.ToString())' 'Response.Write("<script type='text/javascript'>alert('Test')</script>")' 'Response.Write("<script>windows.location.reload()</script>")' End Sub I've tried: Passing variables from server to client via inline <%= % in the javascript block of the head tag. Putting that same code in a script tag inside the updatePanel. Tried to use RegisterClientScriptBlock and RegisterStartUpScript Just doing a Response.Write with the script tag written in it. Tried various combinations of putting the entire jquery.dialog code in the registerstartup script, or just trying to change the autoOpen property, or just calling "open" on it. I can't even get a simple alert to work with any of these, so I am doing something wrong but I just don't know what it is. Here is what I know: The Jquery is binding properly even on async postbacks, because the div container that is the dialog box is always invisible, I saw a similiar post on here stating that was causing an issue, this isn't the case here. Using page_load instead of document.ready since that is supposed to run on both async and normal postbacks, so that isn't the issue. The update panel is updating correctly because <p>Did register Pass? <%= registrationComplete %></p> updates to true after I submit the form. So how can I make this work? All I want is - click submit button inside an update panel - run server side code to validate form and insert into db - if everything succeeded, have that jquery (modal) dialog pop up saying hey it worked.

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