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  • Custom ProgressBarBrushConverter Not Filling In ProgressBar

    - by Wonko the Sane
    Hello All, I am attempting to create a custom ProgressBarBrushConverter, based on information from here and here. However, when it runs, the progress is not being shown. If I use the code found in the links, it appears to work correctly. Here is the converter in question: public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) { ProgressBar progressBar = null; foreach (object value in values) { if (value is ProgressBar) { progressBar = value as ProgressBar; break; } } if (progressBar == null) return DependencyProperty.UnsetValue; FrameworkElement indicator = progressBar.Template.FindName("PART_Indicator", progressBar) as FrameworkElement; DrawingBrush drawingBrush = new DrawingBrush(); drawingBrush.Viewport = drawingBrush.Viewbox = new Rect(0.0, 0.0, indicator.ActualWidth, indicator.ActualHeight); drawingBrush.ViewportUnits = BrushMappingMode.Absolute; drawingBrush.TileMode = TileMode.None; drawingBrush.Stretch = Stretch.None; DrawingGroup group = new DrawingGroup(); DrawingContext context = group.Open(); context.DrawRectangle(progressBar.Foreground, null, new Rect(0.0, 0.0, indicator.ActualWidth, indicator.ActualHeight)); context.Close(); drawingBrush.Drawing = group; return drawingBrush; } Here is the ControlTemplate (the MultiBinding is to make sure that the converter is called whenever the Value or IsIndeterminate properties are changed): <ControlTemplate x:Key="customProgressBarTemplate" TargetType="{x:Type ProgressBar}"> <Grid> <Path x:Name="PART_Track" HorizontalAlignment="Left" VerticalAlignment="Top" Stretch="Fill" StrokeLineJoin="Round" Stroke="#DDCBCBCB" StrokeThickness="4" Data="M 20,100 L 80,10 C 100,120 160,140 190,180 S 160,220 130,180 T 120,150 20,100 Z "> <Path.Fill> <MultiBinding> <MultiBinding.Converter> <local:ProgressBarBrushConverter /> </MultiBinding.Converter> <Binding RelativeSource="{RelativeSource FindAncestor, AncestorType={x:Type ProgressBar}}" /> <Binding Path="IsIndeterminate" RelativeSource="{RelativeSource TemplatedParent}"/> <Binding Path="Value" RelativeSource="{RelativeSource TemplatedParent}"/> </MultiBinding> </Path.Fill> <!--<Path.LayoutTransform> <RotateTransform Angle="180" CenterX="190" CenterY="110" /> </Path.LayoutTransform>--> </Path> <Rectangle x:Name="PART_Indicator" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="1" /> </Grid> </ControlTemplate> Finally, the Window code (fairly straightforward - it just animates progress from 0 to 100 and back again): <ProgressBar x:Name="progress" Template="{StaticResource customProgressBarTemplate}" Foreground="Red"> <ProgressBar.Triggers> <EventTrigger RoutedEvent="ProgressBar.Loaded"> <BeginStoryboard x:Name="storyAnimate"> <Storyboard> <DoubleAnimationUsingKeyFrames Duration="0:0:12" AutoReverse="True" FillBehavior="Stop" RepeatBehavior="Forever" Storyboard.TargetName="progress" Storyboard.TargetProperty="(ProgressBar.Value)"> <LinearDoubleKeyFrame Value="0" KeyTime="0:0:0" /> <LinearDoubleKeyFrame Value="100" KeyTime="0:0:5" /> <LinearDoubleKeyFrame Value="100" KeyTime="0:0:6" /> <LinearDoubleKeyFrame Value="0" KeyTime="0:0:11" /> <LinearDoubleKeyFrame Value="0" KeyTime="0:0:12" /> </DoubleAnimationUsingKeyFrames> </Storyboard> </BeginStoryboard> </EventTrigger> </ProgressBar.Triggers> </ProgressBar> I am thinking that the problem is in the DrawRectangle call in the Convert method, but setting a TracePoint on it shows what appear to be valid values for the Rect. What am I missing here? Thanks, wTs

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  • Building Interactive User Interfaces with Microsoft ASP.NET AJAX: Refreshing An UpdatePanel With Jav

    The ASP.NET AJAX UpdatePanel provides a quick and easy way to implement a snappier, AJAX-based user interface in an ASP.NET WebForm. In a nutshell, UpdatePanels allow page developers to refresh selected parts of the page (instead of refreshing the entire page). Typically, an UpdatePanel contains user interface elements that would normally trigger a full page postback - controls like Buttons or DropDownLists that have their AutoPostBack property set to True. Such controls, when placed inside an UpdatePanel, cause a partial page postback to occur. On a partial page postback only the contents of the UpdatePanel are refreshed, avoiding the "flash" of having the entire page reloaded. (For a more in-depth look at the UpdatePanel control, refer back to the Using the UpdatePanel installment in this article series.) Triggering a partial page postback refreshes the contents within an UpdatePanel, but what if you want to refresh an UpdatePanel's contents via JavaScript? Ideally, the UpdatePanel would have a client-side function named something like Refresh that could be called from script to perform a partial page postback and refresh the UpdatePanel. Unfortunately, no such function exists. Instead, you have to write script that triggers a partial page postback for the UpdatePanel you want to refresh. This article looks at how to accomplish this using just a single line of markup/script and includes a working demo you can download and try out for yourself. Read on to learn more! Read More >Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Building Interactive User Interfaces with Microsoft ASP.NET AJAX: Refreshing An UpdatePanel With Jav

    The ASP.NET AJAX UpdatePanel provides a quick and easy way to implement a snappier, AJAX-based user interface in an ASP.NET WebForm. In a nutshell, UpdatePanels allow page developers to refresh selected parts of the page (instead of refreshing the entire page). Typically, an UpdatePanel contains user interface elements that would normally trigger a full page postback - controls like Buttons or DropDownLists that have their AutoPostBack property set to True. Such controls, when placed inside an UpdatePanel, cause a partial page postback to occur. On a partial page postback only the contents of the UpdatePanel are refreshed, avoiding the "flash" of having the entire page reloaded. (For a more in-depth look at the UpdatePanel control, refer back to the Using the UpdatePanel installment in this article series.) Triggering a partial page postback refreshes the contents within an UpdatePanel, but what if you want to refresh an UpdatePanel's contents via JavaScript? Ideally, the UpdatePanel would have a client-side function named something like Refresh that could be called from script to perform a partial page postback and refresh the UpdatePanel. Unfortunately, no such function exists. Instead, you have to write script that triggers a partial page postback for the UpdatePanel you want to refresh. This article looks at how to accomplish this using just a single line of markup/script and includes a working demo you can download and try out for yourself. Read on to learn more! Read More >

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  • UpdatePanel doesn't load correctly on second try

    - by Ed Woodcock
    Ok, I've got two UpdatePanels on a (relatively simple) CRUD-management page, and I'm having some issues with them. The first updatepanel fails the second time it's updated (infinite loading popout, page doesn't change, request comes back properly but apparently isn't used). The second updatepanel fails if the first updatepanel has updated first, or if a certain internal trigger is pressed twice. Interestingly, the first updatepanel can be called multiple times with no problems if the first has yet to be called. layout example: <updatepanel> <table> <trigger> </table> </updatepanel> <lightbox> <updatepanel> <multiple triggers> </updatepanel> </lightbox> The use of the second updatepanel is required for the lightbox to function correctly (so it can't just be one big one). The first updatepanel exhibits this behaviour regardless of whether the second is present on the page or not. Has anyone ever experienced similar problems/have any ideas?

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  • Why updatepanel triggers another updatepanel?

    - by HasanGursoy
    I have two update panels at my ajax page. This is first time I'm using updatepanel and I don't know what is wrong. I think only btnFilter's Click event must trigger the second update panel's content but changing combo values (which also hides/unhides btnFilter button) makes second updatepanel change content (at least I see transferred data with firebug & second updatepanel blinks sometimes). Online here. <asp:UpdatePanel ID="upComparison" runat="server"> <ContentTemplate> Brand: <asp:DropDownList ID="ddlBrands" runat="server" AutoPostBack="true" OnSelectedIndexChanged="ddlBrands_SelectedIndexChanged" AppendDataBoundItems="true"> <asp:ListItem Value="" Text="Please select a brand..." /> </asp:DropDownList> <asp:Panel ID="pModels" runat="server" Visible="false"> Model: <asp:DropDownList ID="ddlModels" runat="server" AutoPostBack="true" OnSelectedIndexChanged="ddlModels_SelectedIndexChanged" /> </asp:Panel> <asp:Panel ID="pButton" runat="server" Visible="false"> <asp:UpdateProgress ID="upMain" runat="server" DisplayAfter="100"> <ProgressTemplate><img src="/Assets/Images/loader.gif" /> </ProgressTemplate> </asp:UpdateProgress> <asp:Button ID="btnFilter" runat="server" Text="Filter" OnClick="btnFilter_Click" /> </asp:Panel> </ContentTemplate> </asp:UpdatePanel> <asp:UpdatePanel ID="upList" runat="server"> <ContentTemplate> <asp:Repeater ID="rProducts" runat="server"> <ItemTemplate>some code here</ItemTemplate> </asp:Repeater> </ContentTemplate> <Triggers> <asp:AsyncPostBackTrigger ControlID="btnFilter" EventName="Click" /> </Triggers> </asp:UpdatePanel>

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  • How to get the id of Updatepanel which initiated a postback

    - by Voice
    Hi I need to intercept server callback after udate panel async post back and determine which panel initiated the request. The code is pretty simple: Sys.WebForms.PageRequestManager.getInstance().add_pageLoaded(InterceptUpdateCallback); function InterceptUpdateCallback(sender, args) { var updatedPanels = args.get_panelsUpdated(); for (idx = 0; idx < updatedPanels.length; idx++) { if (updatedPanels[idx].id == "myUpdatePanel") { StartSmth(); break; } } } And it works when UpdatePanel is not inside another UpdatePanel. But when it is inside another UpdatePanel updatedPanels[idx].id has parent Updatepanel id. So how can I get the id of UpdatePanel which initiated the request (the inner UpdatePanel)? Thanx

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  • How to notify client about updated UpdatePanel content on server side

    - by csh1981
    I have a problem with UpdatePanel.Update() which works initially but then stops. I have tumbled with this problem for some time and some background is needed so please read ahead. I have an ASP.net application in which I have a subpage that display computed information in graphs. Each graph is embedded in an UpdatePanel. The graph is a user control that uses the standard asp:Chart for display. My task is to enable this page with AJAX capabilities so the page is responsive during postbacks. When I access this page from another page, during the initial page rendering, I use a wait dialog for each graph and a pageload event on the client side. In the client event, a hidden button is clicked which a server event handles (the hidden button is inside an UpdatePanel so the postback is asynchronous). Each graph is computed and the UpdatePanels are in turn updated with the Chart content. This is done using UpdatePanel.Update. And it is successful. However, I also have some RadioButtons on the page. These are dynamically created. The purpose of them is to switch graph type --- to show the same data in a different way. Same type of time consuming computation is needed in order to do so. I subscribe on each RadioButton's OnCheckedChanged event and the postback is asynchronous since the radiobuttons are inside an UpdatePanel. In the server event handler I determine the type of graph and use this as an input to the Chart control. I then remove the old Chart control from my Panel and adds new Chart and then I call UpdatePanel.Update(). But with no success. Nothing happens, no errors, nothing. Why is this?? I think this is strange because if I compute every Chart data in the initial rendering instead of using the "Wait dialog"-solution described earlier then I can select graph types successfully and all subsequent AJAX requests work as intended. Also, the same code (computing the chart, removal, and adding the Chart control to Panel and UpdatePanel.Update()) is hit during the initial rendering of the page, and it works only the first time. Here is the method that computes the graph and adds it to the panel and update the UpdatePanel: public void UpdateGraph(GraphType type, GraphMapper mapper) { //Panel is the content of UpdatePanelGraph's Panel.Controls.Clear(); chart = new Chart(type, mapper); //Computation happens inside here panel.Controls.Add(chart); //UpdatePanelGraph is in UpdateMode Conditional and has //ChildrenAsTriggers set to false UpdatePanelGraph.Update(); } I really need a way for these radiobuttons to work, possible using some clientside JavaScript or another way of handling things on the server side. I have thought about using a JavaScript postback call on the UpdatePanel instead of the UpdatePanel.Update(). However, the issue I have here is how to notify the client side when the server side is finished with computing the graph? An plausible explanation of the strange behavior is also much appreciated. Any help appreciated, thanks

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  • Rebinding events in jQuery after Ajax update (updatepanel)

    - by Hojou
    I have several input and option elements on my page, each (well almost) have an event attached to update some text on the page once they change. I use jQuery which is really really cool :) I also use Microsofts Ajax framework, utilizing the UpdatePanel. The reason why I do that is that certain elements are created on the page based on some server-side logic. I don't really want to explain why I use the UpdatePanel - even if it could (it can with quite some effort) be rewritten to use only jQuery I still want that UpdatePanel. You probably guessed it - once I have a postback on the UpdatePanel the jQuery events stops working. I actually was expecting this, since the "postback" is not really a new postback so my code in document.ready that binds the events won't be fired again. I also confirmed my suspicion by reading up on it in the jQuery help libraries. Anyway I'm left with the problem of rebinding my controls after the UpdatePanel is done updating the DOM. I preferably need a solution that does not require adding more .js files (jQuery plug-ins) to the page but something as simple as being able to catch the UpdatePanel's 'afterupdating' where I can just call my method to rebind all the form elements.

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  • UpdatePanel not refreshing in Accordion

    - by TenaciousImpy
    Hi, I'm using MS AJAX's accordion control. It works fine normally, but I can't seem to get it to work with an UpdatePanel. My layout is like this: <div id="accordion"> <div><a href="#">Header1</a></div> <div class="acc_content"> <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional" > <ContentTemplate> <asp:button id="btnToggle" runat="server" text="toggle"/> //my repeater contents go here. The buttons within the repeater cause a postback, but changes cannot be seen unless the page is manually refreshed (since the updatepanel doesn't refresh) </ContentTemplate> <Triggers> <asp:AsyncPostBackTrigger ControlID="btnToggle" EventName="click" /> <asp:AsyncPostBackTrigger ControlID="btnAdd" EventName="click" /> //this button is outside the updatepanel </ContentTemplate> </Triggers> </asp:UpdatePanel> </div> <div><a href="#">Header 2 </a></div> <div class="acc_content"> Content of the second pane </div> </div> There are postbacks occurring when I click the buttons, but the updatepanel never refreshes or updated. I tried adding UpdatePanel1.Update() in the code-behind for each postback event, but no luck. Any ideas as to why this is happening? Thanks

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  • ProgressBar not updating on change to Maximum through binding

    - by Tom
    <ProgressBar Foreground="Red" Background="Transparent" Value="{Binding NumFailed, Mode=OneWay}" Minimum="0" Maximum="{Binding NumTubes, Mode=OneWay, Converter={x:Static wpftools:DebuggingConverter.Instance}, ConverterParameter=Failedprogressbar}" FlowDirection="RightToLeft" Style="{DynamicResource {x:Static wpftools:CustomResources.StyleProgressBarVistaKey}}" /> This is what my progressbar looks like at the moment. The style came from http://mattserbinski.com/blog/look-and-feel-progressbar and the DebuggingConverter is a no-op converter that prints the value, type and parameter to the Console. I have verified that the converter for the Maximum is being called when my NumTubes property is changed. Basically, the ProgressBar won't redraw until the Value changes. So, if I have 2 tubes and 1 is failed, even if I add 20 more tubes, the bar is still half filled until the NumFailed changes, then the proportion is updated. I've tried adding spurious notifications of the NumFailed property, but that apparently doesn't work since the value didn't change. Ideas?

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  • How can I place a ProgressBar in Android using Cocos 2d?

    - by Laxmipriya
    I want to place a horizontal progress bar in my Android application and I want to change its progress color. I used the following code, but the progress bar is not being displayed. CCProgressTimer progressBar = CCProgressTimer.progress("progressbar.png"); progressBar.setType(kCCProgressTimerTypeHorizontalBarLR); progressBar.setScale(5); progressBar.setAnchorPoint(CGPoint.ccp(0, 0)); progressBar.setPosition(CGPoint.ccp(0,0)); addChild(progressBar);

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  • Update Panel error: Control with the ID "xxx" could not be found in the UpdatePanel

    - by George
    I have a composite drop down calendar user control that consists of a textbox and and calendar image and a validation control. I expose a property called "TextBox" on the usercontrol which returns a reference to the textbox used within the control. This is the textbox that the user enters the date into. In the ASPX page, I have an instance of this usercontrol: <uc1:DropDownCalendar ID="dtmDateFirstEntry" runat="server" Required="True" /> In my code behind, I want to detect when a user has tabbed off of the textbox and, using an UpdatePanel, referesh an appropriate message depending on the date that was specified. Elsewhere in the ASPX page I have this: <asp:UpdatePanel ID="upIntendedStay" runat="server"> <ContentTemplate> <asp:Label ID="Label4" runat="server" Text="Update this text from server" CssClass="ErrorText"></asp:Label> </ContentTemplate> </asp:UpdatePanel> Here's what I do in the code behind: If Not Me.IsPostBack Then dtmDateFirstEntry.TextBox.AutoPostBack = True Dim trigger As New AsyncPostBackTrigger trigger.ControlID = dtmDateFirstEntry.TextBox.ClientID trigger.EventName = "onChange" upIntendedStay.Triggers.Add(trigger) End If When the page runs and I view the source, I see something like this: <input id="ctl00_phPageContent_dtmDateFirstEntry_txtDate" class="DefaultTextBox" name="ctl00$phPageContent$dtmDateFirstEntry$txtDate" onchange="javascript:setTimeout('__doPostBack(\'ctl00$phPageContent$dtmDateFirstEntry$txtDate\',\'\')', 0)" onkeypress="if (WebForm_TextBoxKeyHandler(event) == false) return false;" style="width: 112px;" type="text" value="Mar-29-2010" /> <input id="ctl00_phPageContent_dtmDateFirstEntry_imgDate" name="ctl00$phPageContent$dtmDateFirstEntry$imgDate" src="images/calendar.JPG" style="border-width: 0px;" type="image" />&nbsp; When I run it, I get this error: A control with ID 'ctl00_phPageContent_dtmDateFirstEntry_txtDate' could not be found for the trigger in UpdatePanel 'upIntendedStay'. I didn't think that the trigger control had to be within the UpdatePanel. I thought that was the whole point of adding the trigger. How do I refresh this update panel changes to the text in the date usercontrol. Next I will have to add other triggers to trigger the refreshing of the Update Panel from other controls scattered across the page, so clearly all of the trigger sources cannot be within the UpdatePanel.

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  • UpdatePanel not working in IE or Chrome

    - by gevjen
    I have an updatepanel on my masterpage. Within the contentplace holder I have my update progress control. When a user clicks on the button I load some data into a gridview. This works perfectly in FireFox. User clicks the button, the loading image in my updateprogress fires and loads the gridview. When I test this in IE 6 or 7 or in Chrome. It does a full postback and the updateprogress is never shown. So the updatepanel doesnt seem to be working in these two browsers. Code is below. Again...it works perfect in FireFox. ***From Masterpage *** <asp:UpdatePanel ID="UpdatePanel" runat="server"> <contenttemplate> <asp:contentplaceholder id="holder" runat="server" /> </contenttemplate> </asp:UpdatePanel> **From aspx page **** <asp:UpdateProgress ID="UpdateProgress1" runat="server"> <ProgressTemplate> <img src="ajax-loader.gif" /> </ProgressTemplate> </asp:UpdateProgress>

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  • UpdatePanel doesn't do partial-page update, and IsInAsyncPostBack is always false

    - by Joseph Anderson
    I'm attempting to use an UpdatePanel, but can't get partial-page updates to work. When I look at the ScriptManager's IsInAsyncPostBack property, it's always false. Here's a page that reproduces the issue. It has a ScriptManager, an UpdatePanel, a LinkButton within the update panel, and a Button wired up to the UpdatePanel via the Triggers collection. <%@ Page Language="C#" %> <script runat="server"> protected void Page_Load(object sender, EventArgs e) { Label1.Text = DateTime.Now.ToString(); if (IsPostBack) Label1.Text += " - Postback!"; if (ScriptManager1.IsInAsyncPostBack) Label1.Text += " - Async!"; } </script> <html xmlns="http://www.w3.org/1999/xhtml"> <body> <form id="form1" runat="server"> <asp:ScriptManager ID="ScriptManager1" EnablePartialRendering="true" runat="server" /> <asp:UpdatePanel ID="UpdatePanel1" UpdateMode="Conditional" runat="server"> <ContentTemplate>Panel 1:<asp:Label runat=server ID=Label1 /><br /> <asp:LinkButton runat=server ID="LinkButton1" Text="Update!"></asp:LinkButton></ContentTemplate> <Triggers><asp:AsyncPostBackTrigger ControlID="Button1" EventName="Click" /></Triggers> </asp:UpdatePanel> <asp:Button ID="Button1" Text="Refresh Panel 1" runat="server" UseSubmitBehavior=false /> </form> </body> </html> If I run this code and click on either of the buttons, I see "Panel 1:2/8/2010 3:38:41 PM - Postback!" I expected that clicking either button would cause a partial-page update for UpdatePanel1, that IsInAsyncPostBack would be true, and that " - Async!" would be appended to Label1. Any idea why IsInAsyncPostBack is always false?

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  • asp.net updatepanel inside hidden panel possible bug

    - by MakkyNZ
    Hi The javascript generated by the asp.net SciptManager control seems to have a bug and cant handle hidden UpdatePanels. A javascript error is thrown when a control within one updated panel tries to make another update panel visible. Is this a bug with ASP.Net ajax? And does anyone have any ideas how to get around this? heres is an example of when im trying to to <script type="text/C#" runat="server"> protected void LinkButton1_Click(object sender, EventArgs e) { Panel1.Visible = true; } </script> <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate> <asp:LinkButton ID="LinkButton1" runat="server" OnClick="LinkButton1_Click" Text="Show Panel"></asp:LinkButton> </ContentTemplate> </asp:UpdatePanel> <asp:Panel ID="Panel1" runat="server" Visible="false"> <asp:UpdatePanel ID="UpdatePanel2" runat="server"> <ContentTemplate> blah bla blah </ContentTemplate> </asp:UpdatePanel> </asp:Panel> this is the javascript error that gets thrown when clicking on the "LinkButton1" link. This error comes from the javascript that is generated by the asp.net ScriptManager control Error: Sys.InvalidOperationException: Could not find UpdatePanel with ID 'ctl00_ContentPlaceHolder1_UpdatePanel2'

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  • UpdatePanel refreshes only once

    - by superexsl
    Hi, I have two updatepanels inside an accordion control, laid out like this: <accordion> <first pane content> <updatepanel UpdateMode="conditional"> <contenttemplate>...</contenttemplate> <triggers>...</triggers> </updatepanel> </first pane content> <second pane content> <updatepanel> <contenttemplate>...</contenttemplate> <triggers>...</triggers> </updatepanel> </second pane content> </accordion> The panel updates once, but after that, no updates take place. If I refresh the page, then I can see the updated information. This means that the database is being updated, but the updatepanel isn't refreshing (after refreshing the first time). Why is this happening? This has been bugging me for days, so any advice would be much appreciated. Thanks!

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  • ASP.NET: "Object Required" when repeating LinkButtons in an UpdatePanel

    - by MStodd
    I have an UpdatePanel which has a Repeater repeating LinkButtons. When I click a LinkButton, the page does a partial postback, then I get a javascript error: "Object required". I tried debugging the javascript, but couldn't get a call stack. If I remove the UpdatePanel, the LinkButtons do a full postback, and they disappear from the page. How can I get this UpdatePanel to work? <ajax:UpdatePanel ID="wrapperUpdatePanel" runat="server" UpdateMode="Always"> <ContentTemplate> <asp:Repeater ID="endpointRepeater" runat="server" OnItemDataBound="EndpointDataBound"> <HeaderTemplate> <div class="sideTabs"> <ul> </HeaderTemplate> <ItemTemplate> <li> <asp:LinkButton ID="endpointLink" runat="server" OnClick="EndpointSelected" /> </li> </ItemTemplate> <FooterTemplate> </ul> </div> </FooterTemplate> </asp:Repeater> </ContentTemplate> </ajax:UpdatePanel> binding code: protected void Page_Load(object sender, EventArgs e) { if (!this.IsPostBack) { this.SelectedEndpoint = Factory.Get<IEndpoint>(Enums.EndPoints.Marketing); } IEndpointCollection col = EndpointCollection.GetActivelySubscribingEndpointsForPart(this.Item); if (this.Item.IsGdsnItem) col.Add(Factory.Get<IEndpoint>(Enums.EndPoints.Gdsn)); if (col.Count > 0) col.Insert(0, Factory.Get<IEndpoint>(Enums.EndPoints.Marketing)); this.endpointRepeater.DataSource = col; this.endpointRepeater.DataBind(); if (this.endpointRepeater.Items.Count > 0) { LinkButton lb = this.endpointRepeater.Items[0].FindControl("endpointLink") as LinkButton; this.EndpointSelected(lb, new EventArgs()); } } thanks, mark

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  • IE6 PNG transparency in UpdatePanel

    - by sensorium7
    I have a child page with an UpdatePanel on it that is connected to a timer that autorefreshes every 5 seconds. I've tried a few different PNG fixes, and they work until the UpdatePanel refreshes that section. Then, depending on the fix the PNGs either disappear or go back to nontransparent. Do I need to forcefully run the javascript when the UpdatePanel refreshes? How would I go about this? Thanks!

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  • Progressbar blocks notiyfyDatasetChanged() method in Android

    - by pathfinder
    I'm trying to display a ProgressBar while a listview is being populated. This is my XML <FrameLayout android:layout_width="fill_parent" android:layout_height="wrap_content" > <ListView android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="fill_parent" android:divider="@null" android:dividerHeight="0dp" android:fadingEdge="none" > </ListView> <ProgressBar android:id="@+id/doProgress" android:layout_width="60dp" android:layout_height="60dp" android:layout_gravity="center" /> </FrameLayout> ProgressBar's visibiliy has been changed in the onPostExecuteMethod when the whole listview is loaded. AsyncTask Code: public class WhatToDoLoader extends AsyncTask<String, String, String> { ProgressDialog progress = new ProgressDialog(WhatToDo.this); String url = "http://wearedesigners.net/clients/clients12/tourism/fetchWhatToDoList.php"; final String TAG_MAIN = "item"; final String TAG_ID = "itemId"; final String TAG_NAME = "itemName"; final String TAG_DETAIL = "itemDetailText"; final String TAG_ITEM_IMAGE = "itemImages"; final String TAG_MAP = "itemMapData"; final String TAG_MAP_IMAGE = "mapImage"; @Override protected void onProgressUpdate(String... values) { // TODO Auto-generated method stub super.onProgressUpdate(values); adapter.notifyDataSetChanged(); } @Override protected void onPreExecute() { // TODO Auto-generated method stub super.onPreExecute(); /* * progress.setMessage("Loading What To Do List"); progress.show(); */ } @Override protected String doInBackground(String... params) { XMLParser parser = new XMLParser(); String xml = parser.getXmlFromUrl(url); // getting XML Document doc = parser.getDomElement(xml); // getting DOM element NodeList nl = doc.getElementsByTagName(TAG_MAIN); // TODO Auto-generated method stub for (int i = 0; i < nl.getLength(); i++) { // creating new HashMap HashMap<String, String> map = new HashMap<String, String>(); Element e = (Element) nl.item(i); // adding each child node to HashMap key => value map.put(TAG_ID, parser.getValue(e, TAG_ID)); map.put(TAG_NAME, parser.getValue(e, TAG_NAME)); map.put(TAG_DETAIL, parser.getValue(e, TAG_DETAIL)); map.put(TAG_MAP, parser.getValue(e, TAG_MAP)); map.put(TAG_MAP_IMAGE, parser.getValue(e, TAG_MAP_IMAGE)); map.put(TAG_ITEM_IMAGE, parser.getValue(e, TAG_ITEM_IMAGE)); System.out.println("Test : " + parser.getValue(e, TAG_ID)); // adding HashList to ArrayList whatToDoInfo.add(map); publishProgress(""); } return null; } @Override protected void onPostExecute(String result) { // TODO Auto-generated method stub super.onPostExecute(result); ProgressBar pb = (ProgressBar) findViewById(R.id.doProgress); pb.setVisibility(pb.INVISIBLE); } } When i run the code it throws the following exception. *java.lang.IllegalStateException: The content of the adapter has changed but ListView did not receive a notification. Make sure the content of your adapter is not modified from a background thread, but only from the UI thread.* But the same code works fine when the progressbar feature is omitted. I can't find where i'm going wrong. can someone please help me ? Thank you in advance.

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  • Wpf progressbar not updating during method calculation

    - by djerry
    Hey guys, In my app, i have an import option, to read info from a .csv or .txt file and write it to a database. To test, i"m just using 200-300 lines of data. At the beginning of the method, i calculate number of objects/lines to be read. Every time an object is written to the database, i want to update my progressbar. This is how i do it : private void Update(string path) { double lines = 0; using (StreamReader reader = new StreamReader(path)) while ((reader.ReadLine()) != null) lines++; if (lines != 0) { double progress = 0; string lijn; double value = 0; List<User> users = new List<User>(); using (StreamReader reader = new StreamReader(path)) while ((line = reader.ReadLine()) != null) { progress++; value = (progress / lines) * 100.0; updateProgressBar(value); try { User user = ProcessLine(lijn); } catch (ArgumentOutOfRangeException) { continue; } catch (Exception) { continue; } } return; } else { //non relevant code } } To update my progressbar, i'm checking if i can change the ui of the progressbar like this : delegate void updateProgressbarCallback(double value); private void updateProgressBar(double value) { if (pgbImportExport.Dispatcher.CheckAccess() == false) { updateProgressbarCallback uCallBack = new updateProgressbarCallback(updateProgressBar); pgbImportExport.Dispatcher.Invoke(uCallBack, value); } else { Console.WriteLine(value); pgbImportExport.Value = value; } } When i!m looking at the output, the values are calculated correctly, but the progressbar is only showing changes after the method has been called completely, so when the job is done. That's too late to show feedback to the user. Can anyone help me solve this. EDIT : I'm also trying to show some text in labels to tell te user what is being done, and those aren't udpated till after the method is complete. Thanks in advance.

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  • Progressbar with control template and its MouseDown event wpf

    - by Geetha
    Hi All, I am using a progress bar for the media element. i want to trigger Mousedown event for progress bar. Thai event is getting triggered only if i click on the border not in the middle(rectangle area to fill color) Code: <ControlTemplate x:Key="ratingBarTemplate" TargetType="{x:Type ProgressBar}"> <Border Name="PART_Track" Width="{TemplateBinding Width}" BorderBrush="Red" BorderThickness="2" > <Rectangle Name="PART_Indicator" Fill="Green" Height="{TemplateBinding Height}" FlowDirection="LeftToRight" HorizontalAlignment="Left"/> </Border> </ControlTemplate> <ProgressBar Name="probar" Minimum="0" Height="10" MouseDown="probar_MouseDown" BorderThickness="1" Template="{StaticResource ratingBarTemplate}" FlowDirection="LeftToRight"></ProgressBar> Geetha.

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  • ListView and undeterminate ProgressBar

    - by Spredzy
    Sorry for the question it might sounds stupid, But: how do you activate a ProgressBar according to the cell you just cliked on ? I have a list view, with a menu that shows after a long press. When I click on one of my option I would like to display the ProgressBar in the listView according to the cell I clicked on. It is currently always displaying the one of my first cell, whatever I am doing public boolean onContextItemSelected(MenuItem item) { AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo(); switch (item.getOrder()) { case 0: mProgressBar = (ProgressBar)findViewById(R.id.welcome_progressbar); mProgressBar.setVisibility(View.VISIBLE); ... some execution .... return true; case 1: ... Does anyone see anything wrong?

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  • Javascript code inside updatepanel usercontrol.

    - by Ed Woodcock
    Ok: I've got an updatepanel on an aspx page that contains a single Placeholder. Inside this placeholder I'm appending one of a selection of usercontrols depending on certain external conditions (this is a configuration page). In each of these usercontrols there is a bindUcEvents() javascript function that binds the various jQuery and javascript events to buttons and validators inside the usercontrol. The issue I'm having is that the usercontrol's javascript is not being recognised. Normally, javascript inside an updatepanel is executed when the updatepanel posts back, however none of this code can be found by the page (I've tried running the function manually via firebug's console, but it tells me it cannot find the function). Does anyone have any suggestions? Cheers, Ed. EDIT: cut down (but functional) example: Markup: <script src="/js/jquery-1.3.2.min.js"></script> <form id="form1" runat="server"> <div> <asp:ScriptManager ID="Script" runat="server" /> <asp:Button ID="Postback" runat="server" Text="Populate" OnClick="PopulatePlaceholder" /> <asp:UpdatePanel ID="UpdateMe" runat="server"> <Triggers> <asp:AsyncPostBackTrigger ControlID="Postback" EventName="Click" /> </Triggers> <ContentTemplate> <asp:Literal ID="Code" runat="server" /> <asp:PlaceHolder ID="PlaceMe" runat="server" /> </ContentTemplate> </asp:UpdatePanel> </div> </form> C#: protected void PopulatePlaceholder(object sender, EventArgs e) { Button button = new Button(); button.ID = "Push"; button.Text = "push"; button.OnClientClick = "javascript:return false;"; Code.Text = "<script type=\"text/javascript\"> function bindEvents() { $('#" + button.ClientID + "').click(function() { alert('hello'); }); } bindEvents(); </script>"; PlaceMe.Controls.Add(button); }

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  • JavaScript code inside UpdatePanel

    - by Ed Woodcock
    Ok: I've got an UpdatePanel on an aspx page that contains a single Placeholder. Inside this placeholder I'm appending one of a selection of usercontrols depending on certain external conditions (this is a configuration page). In each of these usercontrols there is a bindUcEvents() javascript function that binds the various jQuery and javascript events to buttons and validators inside the usercontrol. The issue I'm having is that the usercontrol's javascript is not being recognised. Normally, javascript inside an updatepanel is executed when the updatepanel posts back, however none of this code can be found by the page (I've tried running the function manually via firebug's console, but it tells me it cannot find the function). Does anyone have any suggestions? Cheers, Ed. EDIT: cut down (but functional) example: Markup: <script src="/js/jquery-1.3.2.min.js"></script> <form id="form1" runat="server"> <div> <asp:ScriptManager ID="Script" runat="server" /> <asp:Button ID="Postback" runat="server" Text="Populate" OnClick="PopulatePlaceholder" /> <asp:UpdatePanel ID="UpdateMe" runat="server"> <Triggers> <asp:AsyncPostBackTrigger ControlID="Postback" EventName="Click" /> </Triggers> <ContentTemplate> <asp:Literal ID="Code" runat="server" /> <asp:PlaceHolder ID="PlaceMe" runat="server" /> </ContentTemplate> </asp:UpdatePanel> </div> </form> C#: protected void PopulatePlaceholder(object sender, EventArgs e) { Button button = new Button(); button.ID = "Push"; button.Text = "push"; button.OnClientClick = "javascript:return false;"; Code.Text = "<script type=\"text/javascript\"> function bindEvents() { $('#" + button.ClientID + "').click(function() { alert('hello'); }); } bindEvents(); </script>"; PlaceMe.Controls.Add(button); } You'll see that the button does not poput the alert message, even though the code is present on the page.

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  • ASP.NET 4.0 UpdatePanel and UserControl with PlaceHolder

    - by Chris
    I don't know if this is ASP.NET 4.0 specific but I don't recall having this problem in previous versions. I have very simple user control called "TestModal" that contains a PlaceHolder control which I use to instantiate a template in. When I put an UpdatePanel inside this UserControl on the page the updatepanel only does full postbacks and not partial postbacks. What gives? USER CONTROL MARKUP: <%@ Control Language="C#" AutoEventWireup="true" CodeBehind="TestModal.ascx.cs" Inherits="MyProject.UserControls.TestModal" %> <div id="<%= this.ClientID %>"> <asp:PlaceHolder ID="plchContentTemplate" runat="server"></asp:PlaceHolder> </div> USER CONTROL CODE BEHIND: public partial class TestModal : System.Web.UI.UserControl { private ITemplate _contentTemplate; [TemplateInstance(TemplateInstance.Single)] [PersistenceMode(PersistenceMode.InnerProperty), TemplateContainer(typeof(TemplateControl))] public ITemplate ContentTemplate { get { return _contentTemplate; } set { _contentTemplate = value; } } protected override void OnInit(EventArgs e) { base.OnInit(e); if (_contentTemplate != null) _contentTemplate.InstantiateIn(plchContentTemplate); } } ASPX PAGE MARKUP: <ajaxToolkit:ToolkitScriptManager ID="scriptManager" EnablePartialRendering="true" AllowCustomErrorsRedirect="true" CombineScripts="true" EnablePageMethods="true" ScriptMode="Release" AsyncPostBackTimeout="180" runat="server"></ajaxToolkit:ToolkitScriptManager> <uc1:TestModal ID="testModal" ClientIDMode="Static" runat="server"> <ContentTemplate> <asp:UpdatePanel ID="upAttachments" UpdateMode="Conditional" ChildrenAsTriggers="true" runat="server"> <ContentTemplate> <asp:LinkButton ID="lnkRemoveAttachment" runat="server"><img src="/images/icons/trashcan.png" style="border: none;" /></asp:LinkButton> </ContentTemplate> </asp:UpdatePanel> </ContentTemplate> </uc1:TestModal>

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