This will be a problem with partial postback. The DOM isn’t reloaded and so the document ready function won’t be hit again. You need to assign a partial postback handler in JavaScript like so… function doSomething() { //whatever you want to do on partial postback } Sys.WebForms.PageRequestManager.getInstance().add_endRequest(doSomething); The above call to add_endRequest should be placed … Read more
var myControl = new MyUserControl(); DockPanel.SetDock(myControl, Dock.Left); myDockPanel.Children.Add(myControl); Also see here and here.
I recently fixed this problem for a login splash screen that is being displayed via a storyboard when the main window is first loaded. I believe there were two keys to the fix. One was to make the containing element a focus scope. The other was to handle the Storyboard Completed event for the storyboard … Read more
Check out Event Bubbling — http://msdn.microsoft.com/en-us/library/aa719644%28vs.71%29.aspx Example: User Control public event EventHandler StatusUpdated; private void FunctionThatRaisesEvent() { //Null check makes sure the main page is attached to the event if (this.StatusUpdated != null) this.StatusUpdated(this, new EventArgs()); } Main Page/Form public void MyApp() { //USERCONTROL = your control with the StatusUpdated event this.USERCONTROL.StatusUpdated += new EventHandler(MyEventHandlerFunction_StatusUpdated); … Read more
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The Resize event occurs when the control is resized, while the SizeChanged event occurs when the Size property changes. You could use either, as a resize will cause the Size property to change. However, you should rather use the Layout event, as recommended both in the documentation for the Resize and SizeChanged events.
There are three cases to consider here: UserControl, ControlTemplate, and custom Control. (I’m guessing a DataTemplate needs no explanation) A custom Control is something you provide when you create base functionality of a new UI component. There are various pros and cons for this, but for example, if you want custom selection behaviour of an … Read more
As explained in this blog, the Loaded event is fired when ever a control is about to be rendered (i.e. added to the visual tree). There are several controls that would cause your control to be loaded/unloaded multiple times. For example, the native WPF TabControl only renders the content of the selected tab. So when … Read more
What we want First, let’s define the final class and the base abstract class. public class MyControl : AbstractControl … public abstract class AbstractControl : UserControl // Also works for Form … Now all we need is a Description provider. public class AbstractControlDescriptionProvider<TAbstract, TBase> : TypeDescriptionProvider { public AbstractControlDescriptionProvider() : base(TypeDescriptor.GetProvider(typeof(TAbstract))) { } public override … Read more
Here is the classic example using events as suggested by Freddy Rios (C# from a web application project). This assumes that you want to use an existing delegate rather than make your own and you aren’t passing anything specific to the parent page by event args. In the user control’s code-behind (adapt as necessary if … Read more