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  • WPF ICommand over a button

    - by toni
    Hi, I have implemented a custom IComand class for one of my buttons. The button is placed in a page 'MyPage.xaml' but its custom ICommand class is placed in another class, not in the MyPage code behind. Then from XAML I want to bind the button with its custom command class and then I do: MyPage.xaml: <Page ...> <Page.CommandBindings> <CommandBinding Command="RemoveAllCommand" CanExecute="CanExecute" Executed="Execute" /> </Page.CommandBindings> <Page.InputBindings> <MouseBinding Command="RemoveAllCommand" MouseAction="LeftClick" /> </Page.InputBindings> <...> <Button x:Name="MyButton" Command="RemoveAllCommand" .../> <...> </Page> and the custom command button class: // Here I derive from MyPage class because I want to access some objects from // Execute method public class RemoveAllCommand : MyPage, ICommand { public void Execute(Object parameter) { <...> } public bool CanExecute(Object parameter) { <...> } public event EventHandler CanExecuteChanged { add { CommandManager.RequerySuggested += value; } remove { CommandManager.RequerySuggested -= value; } } } My problem is how to say MyPage.xaml that Execute and CanExecute methods for the button is in another class and not the code behind where is placed the button. How to say these methods are in RemoveAllCommand Class in XAML page. Also I want to fire this command when click mouse event is produced in the button so I do an input binding, is it correct? Thanks

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  • jQuery "Microsoft JScript runtime error: Object expected"

    - by Oskar Kjellin
    I have the below code that does not seem to work at all :( I keep getting: Microsoft JScript runtime error: Object expected The error seems to occur when the timeout is done. So if I raise the timeout with 10 seconds the error holds for another 10 seconds. I want to be able to update the number of friends online async. The number is shown with the following html: <a href="" id="showChat" >Friends online <strong id="friendsOnline">(?)</strong></a> The friends part is set at the first run, but when the timeout calls back it does not fire again. Also, I cannot see on which line the error occurs because if I want to break on the error it just shows "no source code" etc. The code below is the code I'm using. Thanks! <script src="http://ajax.microsoft.com/ajax/jquery/jquery-1.3.2.js" type="text/javascript"></script> <script src='/Scripts/MicrosoftAjax.js' type="text/javascript"></script> <script src='/Scripts/MicrosoftMvcAjax.js' type="text/javascript"></script> <script src='/Scripts/jquery.autocomplete.js' type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function() { UpdateFriendsOnline(); function UpdateFriendsOnline() { window.setTimeout("UpdateFriendsOnline()", 1000); $.get("/Account/GetFriendsOnline", function(data) { $("#friendsOnline").html("(" + data + ")"); }); } }); </script>

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  • HTML 5 Video OnEnded Event not Firing

    - by Eric J.
    I'm trying to react to the HTML 5 onended event for the video tag without success. In the code snippet below I added the mouseleave event to be sure the jQuery code is correct and that event does activate the alert() box. The video plays just fine but onended does not cause my alert() to fire off. Testing in Chrome, updated today to version 5.0.375.55. <html> <head> <script src="http://code.jquery.com/jquery-1.4.2.min.js"></script> <script> $(document).ready(function(){ $("#myVideoTag").bind('mouseleave onended', function(){ alert("All done, function!"); }); }); </script> </head> <body> <video id="myVideoTag" width="640" height="360" poster="Fractal-zoom-1-04-Snowflake.jpg" controls> <source src="Fractal-zoom-1-04-Snowflake.mp4" type="video/mp4"></source> <source src="Fractal-zoom-1-04-Snowflake.ogg" type="video/ogg"></source> </video> <body> <html>

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  • DHTMLX Calendar onChange

    - by Sickaaron
    I am having an issue with the DHTMLX Calendar with the onChange in the input field. I am initialisating the code with the following: jQuery(document).ready(function($){ var calendar; calendar = new dhtmlXCalendarObject(["date"]); calendar.hideTime(); calendar.setDateFormat("%d/%m/%Y"); $('.lightbox').lightbox(); $('#slider').cycle(); }); function checkDate() { var date = $("[name='date']").val(); alert(date); } In the form i am using: <input type="text" name="date" id="date" onchange="checkDate();" /> How it should be (and was working with JQuery UI datepicker) once the date is entered into the input field the onchange function would fire. However in this case: the onchange with this calendar does nothing. I have tried changing the following to this: jQuery(document).ready(function($){ var calendar; calendar = new dhtmlXCalendarObject(["date"]); calendar.hideTime(); calendar.setDateFormat("%d/%m/%Y"); calendar.attachEvent("onChange",function(date, state){ checkDate(); }); $('.lightbox').lightbox(); $('#slider').cycle(); }); function checkDate() { var date = $("[name='date']").val(); alert(date); } But the onchange event happens before the date is entered, ie when i click on the input field. Reason for changing from JQuery UI to this DHTMLX is that JQuery UI Datepicker does not support all platforms (iPhones/iPads etc) and DHTMLX does.

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  • C# - Possible to use IOCTL

    - by theblip
    I'm trying to code for a Point Of Sale system which allows for a "Cash Drawer" attachment. Code is provided in the manual for opening the cash drawer (in C++ using IOCTL). Since I am coding in C# .NET, is it possible to perform something similar from within C# or will I have to write some unmanaged code? Am I able to get a handle to "\\.\ADVANSYS" from within C#? Do I need to use DLLImport? Would appreciate it if someone could point me in the right direction. // IOCTL Codes #define GPD_TYPE 56053 #define ADV_OPEN_CTL_CODE CTL_CODE(GPD_TYPE, 0x920, METHOD_BUFFERED, FILE_ANY_ACCESS) #define ADV_STATUS_CTL_CODE CTL_CODE(GPD_TYPE, 0x900, METHOD_BUFFERED, FILE_ANY_ACCESS) void OpenDrawer(UCHAR uWhichDrawer) // uWhichDrawer = 1 => CD#1, uWhichDrawer = 2 => CD#2 { HANDLE hFile; BOOL bRet UCHAR uDrawer = uWhichDrawer; // Open the driver hFile = CreateFile(TEXT("\\\\.\\ADVSYS"), GENERIC_WRITE | GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0); if (m_hFile == INVALID_HANDLE_VALUE) { AfxMessageBox("Unable to open Cash Drawer Device Driver!"); return; } // Turn on the Cash Drawer Output (Fire the required solenoid) bRet = DeviceIoControl(hFile, ADV_CD_OPEN_CTL_CODE, &uDrawer, sizeof(uDrawer), NULL, 0, &ulBytesReturned, NULL); if (bRet == FALSE || ulBytesReturned != 1) { AfxMessageBox("Failed to write to cash drawer driver"); CloseHandle(hFile); return; } CloseHandle(hFile); }

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  • jQuery Sortable .toArray with ASP.NET MVC ActionResult

    - by Stacey
    Third try at fixing this tonight - trying a different approach than before now. Given a jQuery Sortable List.. <ul id="sortable1" class="connectedSortable"> <li class="ui-state-default" id="item1">Item 1</li> <li class="ui-state-default" id="item2">Item 2</li> <li class="ui-state-default">Item 3</li> <li class="ui-state-default ">Item 4</li> <li class="ui-state-default">Item 5</li> </ul> <ul id="sortable2" class="connectedSortable"> </ul> And ASP.NET MVC ActionResult.. [AcceptVerbs(HttpVerbs.Post)] public ActionResult Insert( string[] items ) { return null; } Activated by JavaScript... $("#sortable1, #sortable2").sortable({ connectWith: '.connectedSortable', dropOnEmpty: true, receive: function () { var items = $(this).sortable('toArray'); alert(items); $.ajax({ url: '/Manage/Events/Insert', type: 'post', data: { 'items': items } }); } }).disableSelection(); The 'alert' DOES show the right items. It shows 'item1, item2' etc. But my ASP.NET MVC ActionResult gets nothing. The method DOES fire, but the 'items' parameter comes in null. Any ideas?

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  • VS2010 - How to automatically stop compile on first compile error

    - by Ben Robbins
    {rant}First I'd like to say that this IS NOT A DUPLICATE. I've asked this question previously but it got closed as a duplicate when it isn't. This question is SPECIFIC to VS 2010 and the answers to the so-called duplicate work in VS 2008 but not in VS 2010 (at least not for me or anyone I know). So before you go closing something as a duplicate how about you read the question carefully and try the answer for yourself and see if it actually works. Apologies for the rant but there is no obvious way to contact the SO police that closed the issue or get it reopened. {/rant} At work we have a C# solution with over 80 projects. In VS 2008 we use a macro to stop the compile as soon as a project in the solution fails to build (see this question for several options for VS 2005 & VS 2008: http://stackoverflow.com/questions/134796/how-to-automatically-stop-visual-c-build-at-first-compile-error). Is it possible to do the same in VS 2010? What we have found is that in VS 2010 the macros don't work (at least I couldn't get them to work) as it appears that the environment events don't fire in VS 2010. The default behaviour is to continue as far as possible and display a list of errors in the error window. I'm happy for it to stop either as soon as an error is encountered (file-level) or as soon as a project fails to build (project-level). Answers for VS 2010 only please. If the macros do work then a detailed explanation of how to configure them for VS 2010 would be appreciated. Thanks.

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  • DataGridView row is still dirty after committing changes

    - by Ecyrb
    DataGridView.IsCurrentRowDirty remains true after I commit changes to the database. I want to set it to false so it doesn't trigger RowValidating when it loses focus. I have a DataGridView bound to a BindingList<T>. I handle the CellEndEdit event and save changes to the database. After saving those changes I would like DataGridView.IsCurrentRowDirty to be set to true, since all cells in the row are up-to-date; however, it's set to false. This causes problems for me because when the row does lose focus it will trigger RowValidating, which I handle and validate all three cells in. So even though all the cells are valid and none are dirty it will still validate them all. That's a waste. Here's an example of what I have: void dataGridView_CellValidating(object sender, DataGridViewCellValidatingEventArgs e) { // Ignore cell if it's not dirty if (dataGridView.isCurrentCellDirty) return; // Validate current cell. } void dataGridView_RowValidating(object sender, DataGridViewCellCancelEventArgs e) { // Ignore Row if it's not dirty if (!dataGridView.IsCurrentRowDirty) return; // Validate all cells in the current row. } void dataGridView_CellEndEdit(object sender, DataGridViewCellEventArgs e) { // Validate all cells in the current row and return if any are invalid. // If they are valid, save changes to the database // This is when I would expect dataGridView.IsCurrentRowDirty to be false. // When this row loses focus it will trigger RowValidating and validate all // cells in this row, which we already did above. } I've read posts that said I could call the form's Validate() method, but that will cause RowValidating to fire, which is what I'm trying to avoid. Any idea how I can set DataGridView.IsCurrentRowDirty to true? Or maybe a way to prevent RowValidating from unnecessarily validating all the cells?

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  • Silverlight4 + C#: Using INotifyPropertyChanged in a UserControl to notify another UserControl is no

    - by Aidenn
    I have several User Controls in a project, and one of them retrieves items from an XML, creates objects of the type "ClassItem" and should notify the other UserControl information about those items. I have created a class for my object (the "model" all items will have): public class ClassItem { public int Id { get; set; } public string Type { get; set; } } I have another class that is used to notify the other User Controls when an object of the type "ClassItem" is created: public class Class2: INotifyPropertyChanged { // Properties public ObservableCollection<ClassItem> ItemsCollection { get; internal set; } // Events public event PropertyChangedEventHandler PropertyChanged; // Methods public void ShowItems() { ItemsCollection = new ObservableCollection<ClassItem>(); if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs("ItemsCollection")); } } } The data comes from an XML file that is parsed in order to create the objects of type ClassItem: void DisplayItems(string xmlContent) { XDocument xmlItems = XDocument.Parse(xmlContent); var items = from item in xmlItems.Descendants("item") select new ClassItem{ Id = (int)item.Element("id"), Type = (string)item.Element("type) }; } If I'm not mistaken, this is supposed to parse the xml and create a ClassItem object for each item it finds in the XML. Hence, each time a new ClassItem object is created, this should fire the Notifications for all the UserControls that are "bind" to the "ItemsCollection" notifications defined in Class2. Yet the code in Class2 doesn't even seem to be run :-( and there are no notifications of course... Am I mistaken in any of the assumptions I've done, or am I missing something? Any help would be appreciated! Thx!

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  • MVVM Binding in Silverlight3 ItemsControl to get the parent controls DataContext

    - by BigTundra
    I have the following ItemsControl in Silverlight 3. <ItemsControl ItemsSource="{Binding ValueCollectionList}"> <ItemsControl.ItemTemplate> <DataTemplate> <Button x:Name="MyBtn" Height="40" Content="{Binding Name}" Tag="{Binding Value}" cmd:ButtonBaseExtensions.Command="{Binding ElementName=LayoutRoot, Path=ButtonCommand}" cmd:ButtonBaseExtensions.CommandParameter="{Binding ElementName=MyBtn, Path=Tag}"/> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl> The Problem is that I have the ItemsControl bound to the Collection in my ViewModel, but I need the button to trigger a command on the ViewModel which is of course not Available in the DataContext of the button since it only contains the collection. I can make the command fire by setting my ViewModel as a Resource and then binding to it as a StaticResource, but I want to know why the element to element binding won't work in this scenario. I would prefer not to use the StaticResource binding because that requires the default constructor on the ViewModel and so I can't inject my data easily.

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  • ASP.NET Setting Culture with InitializeCulture

    - by Helen
    I have a website with three domains .com, .de and .it Each domain needs to default to the local language/culture of the country. I have created a base page and added an InitializeCulture Protected Overrides Sub InitializeCulture() Dim url As System.Uri = Request.Url Dim hostname As String = url.Host.ToString() Dim SelectedLanguage As String If HttpContext.Current.Profile("PreferredCulture").ToString Is Nothing Then Select Case hostname Case "www.domain.de" SelectedLanguage = "de" Thread.CurrentThread.CurrentUICulture = New CultureInfo(SelectedLanguage) Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture(SelectedLanguage) Case "www.domain.it" SelectedLanguage = "it" Thread.CurrentThread.CurrentUICulture = New CultureInfo(SelectedLanguage) Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture(SelectedLanguage) Case Else SelectedLanguage = "en" Thread.CurrentThread.CurrentUICulture = New CultureInfo(SelectedLanguage) Thread.CurrentThread.CurrentCulture = CultureInfo.CreateSpecificCulture(SelectedLanguage) End Select End If End Sub This is fine. The problem now occurs because we also want three language selection buttons on the home page so that the user can override the domain language. So on my Default.asp.vb we have three button events like this... Protected Sub langEnglish_Click(ByVal sender As Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles langEnglish.Click Dim SelectedLanguage As String = "en" 'Save selected user language in profile HttpContext.Current.Profile.SetPropertyValue("PreferredCulture", SelectedLanguage) 'Force re-initialization of the page to fire InitializeCulture() Context.Server.Transfer(Context.Request.Path) End Sub But of course the InititalizeCulture then overrides whatever button selection has been made. Is there any way that the InitialCulture can check whether a button click has occurred and if so skip the routine? Any advice would be greatly appreciated, thanks.

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  • C# Process Exited event not firing from within webservice

    - by davidpizon
    I am attempting to wrap a 3rd party command line application within a web service. If I run the following code from within a console application: Process process= new System.Diagnostics.Process(); process.StartInfo.FileName = "some_executable.exe"; // Do not spawn a window for this process process.StartInfo.CreateNoWindow = true; process.StartInfo.ErrorDialog = false; // Redirect input, output, and error streams process.StartInfo.UseShellExecute = false; process.StartInfo.RedirectStandardOutput = true; process.StartInfo.RedirectStandardError = true; process.StartInfo.RedirectStandardInput = true; process.EnableRaisingEvents = true; process.ErrorDataReceived += (sendingProcess, eventArgs) => { // Make note of the error message if (!String.IsNullOrEmpty(eventArgs.Data)) if (this.WarningMessageEvent != null) this.WarningMessageEvent(this, new MessageEventArgs(eventArgs.Data)); }; process.OutputDataReceived += (sendingProcess, eventArgs) => { // Make note of the message if (!String.IsNullOrEmpty(eventArgs.Data)) if (this.DebugMessageEvent != null) this.DebugMessageEvent(this, new MessageEventArgs(eventArgs.Data)); }; process.Exited += (object sender, EventArgs e) => { // Make note of the exit event if (this.DebugMessageEvent != null) this.DebugMessageEvent(this, new MessageEventArgs("The command exited")); }; process.Start(); process.StandardInput.Close(); process.BeginOutputReadLine(); process.BeginErrorReadLine(); process.WaitForExit(); int exitCode = process.ExitCode; process.Close(); process.Dispose(); if (this.DebugMessageEvent != null) this.DebugMessageEvent(this, new MessageEventArgs("The command exited with code: " + exitCode)); All events, including the "process.Exited" event fires as expected. However, when this code is invoked from within a web service method, all events EXCEPT the "process.Exited" event fire. The execution appears to hang at the line: process.WaitForExit(); Would anyone be able to shed some light as to what I might be missing?

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  • How to call RequiredFieldValidator on client before postback

    - by Si
    I've inherited some code which breaks a page up into tabs using divs. On the first page there are many required field and regex validators. The problem is a user can switch to another tab, trigger a postback and fail the validators on the first page, leaving things in a mess. What I want to be able to do is perform the validation on the first page as a user selects another tab, thus preventing them from moving to a new tab until the first page is valid. <ul> <li><a href="#tab1">Tab 1</a> </li> <li><a href="#tab2" onclick="return isValid();">Tab 2</a></li> <li><a href="#tab3" onclick="return isValid();">Tab 3</a></li> </ul> Where isValid needs to fire off the validators. Thanks!

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  • How to use drag and drop within a UIScrollView

    - by user249488
    I am trying to drag and drop UIViews within a UIScrollView. I'd like the UIScrollView to scroll if I drag a UIView so that it intersects the top or bottom of the ScrollView. If it touches the top, it should scroll up. If it touches the bottom, it should scroll down. Once the UIView is moved such that it is no longer intersecting the top or bottom, the scrolling should stop. The first approach I tried was to start an NSTimer whenever I detected that the UIView intersected with the top or bottom of the scrollview. The timer would scroll the UIScrollView bit by bit until it was invalidated. This resulted in very jerky scrolling, since there is no way to predict when the timers will fire. My current approach is to simply scroll all the way to the top or bottom of the ScrollView, like this: [UIView beginAnimations:nil context:NULL]; [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut]; [UIView setAnimationDuration:1.0]; [self.parentScrollview setContentOffset:newOffset animated:NO]; [UIView commitAnimations]; In order to stop scrolling, I try to determine the position of the touch in the touchesMoved: delegate, and use that to calculate the contentOffset to use for the scrollView. The problem is, when I try to get the location in the view via [[touches anyObject] locationInView:self], I get the final end location, rather than the current location. I'm guessing that's because the contentOffset on the scrollView is set immediately. Is there a way to get the actual location of a touch in a situation like this? Or any other way to set the contentOffset when I interrupt the scrolling animation?

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  • Flex HTMLLoader component not raising mouseDown events for all mouse clicks

    - by shane
    I have built a Air 2/Flex 4 kiosk application with Flash Builder 4. Currently I am implementing a touch screen browser to enable users to navigate company training videos. In an attempt to improve the usability of the website on the touchscreen I have placed the HTML component in an adaption of Doug McCune's DragScrollingCanvas (updated to use the flex 4 'Scroller' component) to allow users to scroll the webpage by dragging their finger across the screen. The mouseDown event is used to start scrolling the viewport. In addition the webpage was modified to disable text selection with the following css: html { -webkit-user-select: none; cursor: default; } The problem I face is that the HTMLLoader component only fires a mouseDown if a link/input/button on the webpage is clicked, not when the background or any text is clicked. In addition if I remove the custom css the mouseDown event will not fire when text is being selected, but will if previously highlighted text is clicked. As an alternative I also tried adding a group container with the same dimensions as the HTMLLoader to detect the mouseDown events (so that the group container and HTMLLoader have the same Dragable parent container) and was able to capture mouseDown events and scroll the viewport as expected. However as the mouse event is handled by the group container, I am now unable to navigate the webpage. Does anybody know why the HTMLLoader component is not raising mouseDown events for all mouse clicks?

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  • App freezing after lunch without any Error on Iphone Simulator?

    - by Meko
    HI.I am using CoreData on my UITable to show some records.It works when I first run.But if I run my app on simulator second time it shows up with data but then it stops.Sometimes it quits from app or it only froze and i cant click on table or tab bar. I looked also on Console but I thought there is no error.Here output from console The Debugger has exited with status 0. [Session started at 2010-03-30 00:22:06 +0300.] 2010-03-30 00:22:08.660 Paparazzi2[3556:207] Creating Photo: Urban disaster 2010-03-30 00:22:08.661 Paparazzi2[3556:207] Person is: Josh 2010-03-30 00:22:08.665 Paparazzi2[3556:207] Person is: Josh 2010-03-30 00:22:08.665 Paparazzi2[3556:207] -- Person Exists : Josh-- 2010-03-30 00:22:08.719 Paparazzi2[3556:207] Creating Photo: Concrete pitch forks 2010-03-30 00:22:08.719 Paparazzi2[3556:207] Person is: Josh 2010-03-30 00:22:08.721 Paparazzi2[3556:207] Person is: Josh 2010-03-30 00:22:08.721 Paparazzi2[3556:207] -- Person Exists : Josh-- 2010-03-30 00:22:08.727 Paparazzi2[3556:207] Creating Photo: Leaves on fire 2010-03-30 00:22:08.728 Paparazzi2[3556:207] Person is: Al 2010-03-30 00:22:08.734 Paparazzi2[3556:207] Person is: Al 2010-03-30 00:22:08.734 Paparazzi2[3556:207] -- Person Exists : Al-- [Session started at 2010-03-30 00:22:08 +0300.] GNU gdb 6.3.50-20050815 (Apple version gdb-967) (Tue Jul 14 02:11:58 UTC 2009) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-apple-darwin".sharedlibrary apply-load-rules all Attaching to process 3556. (gdb)

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  • Manual drag-drop operations in Flex

    - by Yarin
    This is a two-part problem: A) I'm implementing several irregular drag-drop operations in Flex (e.g. DataGrid ItemRenderer into Tree). My preference was modifying DragManager operations to meet my needs, and in fact using DragManager allows me to do everything I need, but I'm having serious issues with performance. For example, dragging anything over a many-columned DataGrid, whether the drag was initiated with DragManager.doDrag, or just using native ListBase drag-drop functionality, slows the drag movement to a crawl. Even if the DataGrid is disabled/ not listenening for any move/drag events, this happens. On the other hand, if the drag is initiated by calling .startDrag() on the Sprite, the drag is smooth and performs great over DataGrids and everything else. So part A would be: Is there a reason why .startDrag() operations work so well, while drags initiated through DragManager.doDrag suffer so badly when over certain components? B) If indeed the solution is to handle drag-drops using .startDrag(), how would I go about determining what component the mouse is over when the drag is released? In my example, my dragged object is brought up to the top level of the display list, and so is being moved around in stage coordinates. mouseMove, mouseOver events don't fire on the components I'm dragging over because the mouse is constantly over the dragged component, so I would need some sort of stage.coordinate - visibleComponentAtThatCoordinate conversion. Any thoughts on this? Thanks alot!-- Yarin

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  • WPF ICommand over a button

    - by toni
    I have implemented a custom IComand class for one of my buttons. The button is placed in a page 'MyPage.xaml' but its custom ICommand class is placed in another class, not in the MyPage code behind. Then from XAML I want to bind the button with its custom command class and then I do: MyPage.xaml: <Page ...> <Page.CommandBindings> <CommandBinding Command="RemoveAllCommand" CanExecute="CanExecute" Executed="Execute" /> </Page.CommandBindings> <Page.InputBindings> <MouseBinding Command="RemoveAllCommand" MouseAction="LeftClick" /> </Page.InputBindings> <...> <Button x:Name="MyButton" Command="RemoveAllCommand" .../> <...> </Page> and the custom command button class: // Here I derive from MyPage class because I want to access some objects from // Execute method public class RemoveAllCommand : MyPage, ICommand { public void Execute(Object parameter) { <...> } public bool CanExecute(Object parameter) { <...> } public event EventHandler CanExecuteChanged { add { CommandManager.RequerySuggested += value; } remove { CommandManager.RequerySuggested -= value; } } } My problem is how to say MyPage.xaml that Execute and CanExecute methods for the button is in another class and not the code behind where is placed the button. How to say these methods are in RemoveAllCommand Class in XAML page. Also I want to fire this command when click mouse event is produced in the button so I do an input binding, is it correct? Thanks

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  • jQuery Drag/Drop problem: mousemove Event not binding for some elements

    - by saturdayplace
    Using the latest jQuery/UI that are hosted at Google. I've got the following markup: <ul id="tree"> <li><a href="1/">One</a></li> <li><a href="2/">Two</a></li> </ul> And the following javascript: $(document).ready(function(){ // Droppable callbacks function dragOver(overEvent, ui_object) { $(this).mousemove(function(moveEvent){ console.log("moved over", this); }); } function drop_deactivate() { $(this).unbind(); } function drag_out() { $(this).unbind(); } // Actual dragging $("#treeContainer li").draggable({ revert: true, revertDuration: 0 }); // Actuall dropping $("a").droppable({ tolerance: "pointer", over: dragOver, deactivate: drop_deactivate, out: drag_out }); }); If I drag the first li down over the second, the mousemove function fires (and firebug logs the output). But if I drag the second li up over the first, the mousemove function doesn't fire. You can see this live at http://jsbin.com/ivala. Is there a reason for this? Should I be trapping the mousemove event in some other way? Edit: It appears as thought the mousemove() event isn't binding for earlier elements than the one currently being dragged (should be bound upon their mouseover).

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  • How to approach ninject container/kernel in inheritance situation

    - by Bas
    I have the following situation: class RuleEngine {} abstract class RuleImplementation {} class RootRule : RuleImplementation {} class Rule1 : RuleImplementation {} class Rule2 : RuleImplementation {} The RuleEngine is injected by Ninject and has a kernel at it's disposal, the role of the RuleEngine is to fire off the root rule, which on it's turn will load all the other rules also using Ninject, but using a different Module and creating a new Kernel. Now my question is, some of the rules require some dependencies which I want to inject using Ninject. What would be the best way to create the kernel for these rules and also still do proper unit testing with it? (the kernel shouldn't become a real pain in my tests) I've been thinking of the following possibilitys: The kernel that I use in the RuleEngine class could be tossed around to RuleImplementation and thus be available for every rule. But tossing around Kernels isn't really something I wish to do. When creating the rules, I could give the kernel (which creates the rules) as a constructor argument for each rule. I could create a method inside the RuleImplementation which creates a kernel and makes it possible for the rules to retrieve the kernel using a get() in the abstract class Whats the convention of passing around/creating kernels? Just create new kernels, or reuse them?

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  • Autocomplete extender problems on user control

    - by RUtt
    I'm having trouble getting autocompleteextender (from ajaxcontroltoolkit) to fire when it is on a user control (it works fine when everything is on an aspx page. In my case I'm using a master page as well as a user control. Here's what I have. On the masterpage (path: masterpages/MasterPage.master) <asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server" EnablePageMethods="true"> </asp:ToolkitScriptManager> On the user control (path: controls/sitenavigation/usercontrol.ascx) <asp:TextBox id="txtSearchInput" Runat="server" CssClass="searchinput" Columns="95" MaxLength="95"></asp:TextBox> <asp:AutoCompleteExtender ID="txtSearchInput_AutoCompleteExtender" runat="server" DelimiterCharacters="" Enabled="True" ServiceMethod="GetSuggestions" ServicePath="~/App_Code/WebService.asmx" TargetControlID="txtSearchInput" UseContextKey="False" MinimumPrefixLength="2"> </asp:AutoCompleteExtender> On the Webservice (path: App_Code/WebService.cs) [System.Web.Script.Services.ScriptService] public class WebService : System.Web.Services.WebService { .... [WebMethod] public string[] GetSuggestions(string prefixText, int count, string contextKey) { //my code to return string[] } It seems that my problem is with my ServicePath in the extender but I just can't seem to figure out what it should be, any help would be great. Thanks.

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  • MSWord automation:Get file contents after it was saved

    - by BlackTigerX
    I have an application that uses MSWord automation to edit some documents, after they save and close word I need to grab the modified file and put it back on the repository, there is only one scenario where I can't get it to work and that is when the user makes changes to the file, selects to close word and selects yes to save the file there are 2 events that I'm using: DocumentBeforeSave Quit on the Quit event I'm trying to load the .docx file from disk but on this particular scenario I get an IOException because the file is still in use, somehow I need to wait until after the Quit event has been processed, which is when Word is actually closed and the file is no longer being used right now I have it working using this word.Visible = true; while (!wordDone) { //gets changed to true on the Quit event System.Threading.Thread.Sleep(100); } bool error = false; do { try { //need to load the contents of the modified file ls.Content = System.IO.File.ReadAllBytes(provider.GetFileName()); error = false; } catch (System.IO.IOException) { error = true; System.Threading.Thread.Sleep(200); } } while (error); while this works it is very ugly, I need a way to fire an event after the Quit event has been handled, or block the current thread while word is still running, or get an event after the document has been saved, the bottom line is I need a clean way to load the file after it has been saved and word is closed. DocumentAfterSave would be awesome, but doesn't seem to exist. I Also tried unhooking the Quit handler and calling word.Quit on the Quit handler, that made no difference

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  • ASP.Net RadioButton loses ViewState

    - by Carl
    I'm having trouble with a simple radio set of two radio buttons (I don't want to use a RadioButtonList [RBL] because RBL doesn't allow child controls, and in my case, if you select one option, I want to enable a textbox next to the button; yes you could hack this with jQuery to move the textbox, but that's dirty!). I would check one, submit the form (either explicitly or through AutoPostBack), and the CheckedChanged event would never fire. When the page was reloaded, both buttons would be unchecked, regardless of their initial state on non-postback load or the state before form submission. I took out the checkbox and stripped this down to the simplest example I could come up with. I tossed EnableViewState=true all over the place just in case it was being disabled somewhere I couldn't find. <form id="form1" runat="server" enableviewstate="true"> <div> <asp:RadioButton ID="foo" Text="foo" runat="server" AutoPostBack="true" OnCheckedChanged="rbChanged" Checked="true" GroupName="foobar" EnableViewState="true" /> <asp:RadioButton ID="bar" Text="bar" runat="server" AutoPostBack="true" GroupName="foobar" OnCheckedChanged="rbChanged" Checked="false" EnableViewState="true" /> <asp:Label runat="server" ID="resultLbl" /> </div> </form> protected void rbChanged(object sender, EventArgs e) { if (foo.Checked) resultLbl.Text = "foo is checked"; else if (bar.Checked) resultLbl.Text = "bar is checked"; else resultLbl.Text = "neither is checked"; }

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  • what's the alternative to readonlycollection when using lazy="extra"?

    - by Kunjan
    I am trying to use lazy="extra" for the child collection of Trades I have on my Client object. The trades is an Iset<Trade Trades, exposed as ReadOnlyCollection<Trade because I do not want anyone to modify the collection directly. As a result, I have added AddTrade and RemoveTrade methods. Now I have a Client Search page where I need to show the Trade Count. and on the Client details page I have a tab where I need to show all the trades for the Client in paged gridview. What I want to achieve is, for the search when I say on the client object as client.Trades.Count, nHibernate should only fire a select count(*) query. Hence I am using lazy="extra". But because I am using a ReadOnlyCollection, nHibernate fires a count query & a separate query to load the child collection trades completely. Also, I cannot include the Trades in my initial search request as this would disturb the paging because a counterparty can have n trades which would result in n rows, when I am searching clients only. So the child collections have to be loaded lazily. The second problem is that on the client details page -- Trades grid view, I have enabled paging for performance reasons. But by nature nHibernate loads the entire collection of trades as the user goes from one page to another. Ideally I want to control this by getting only trades specific to the page the user is on. How can I achieve this? I came across this very good article. http://stackoverflow.com/questions/876976/implementing-ipagedlistt-on-my-models-using-nhibernate But I am not sure if this will work for me, as lazy=extra currently doesnt work as expected with the ReadOnlyCollection. So, if I went ahead and implemented the solution this way and further enhanced it by making the List/Set Immutable, will lazy=extra give me the same problem as with ReadOnlyCollections?

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  • NHibernate save / update event listeners: listening for child object saves

    - by James Allen
    I have an Area object which has many SubArea children: public class Area { ... public virtual IList<SubArea> SubAreas { get; set; } } he children are mapped as a uni-directional non-inverse relationship: public class AreaMapping : ClassMap<Area> { public AreaMapping() { HasMany(x => x. SubAreas).Not.Inverse().Cascade.AllDeleteOrphan(); } } The Area is my aggregate root. When I save an area (e.g. Session.Save(area) ), the area gets saved and the child SubAreas automatically cascaded. I want to add a save or update event listener to catch whenever my areas and/or subareas are persisted. Say for example I have an area, which has 5 SubAreas. If I hook into SaveEventListeners: Configuration.EventListeners.SaveEventListeners = new ISaveOrUpdateEventListener[] { mylistener }; When I save the area, Mylistener is only fired once only for area (SubAreas are ignored). I want the 5 SubAreas to be caught aswell in the event listener. If I hook into SaveOrUpdateEventListeners instead: Configuration.EventListeners.SaveOrUpdateEventListeners = new ISaveOrUpdateEventListener[] { mylistener }; When I save the area, Mylistener is not fired at all. Strangely, if I hook into SaveEventListeners and SaveOrUpdateEventListeners: Configuration.EventListeners.SaveEventListeners = new ISaveOrUpdateEventListener[] { mylistener }; Configuration.EventListeners.SaveOrUpdateEventListeners = new ISaveOrUpdateEventListener[] { mylistener }; When I save the area, Mylistener is fired 11 times: once for the area, and twice for each SubArea! (I think because NHIbernate is INSERTing the SubArea and then UPDATING with the area foreign key). Does anyone know what I'm doing wrong here, and how I can get the listener to fire once for each area and subarea?

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