Silverlight treeview observablecollection not updating Adult cam salle


29-Sep-2016 13:28

silverlight treeview observablecollection not updating-15

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The UI might also be slow to react when a user scrolls the Tree View by using the mouse wheel or dragging the thumb of a scrollbar.You can improve the performance of the Tree View when the user scrolls by setting the Public Class Tree View Data Inherits Observable Collection(Of Items For Tree View) Public Sub New() For i As Integer = 0 To 99 Dim item As New Items For Tree View() item. To String() Add(item) Next End Sub End Class Public Class Items For Tree View Private _Top Level Name As String Public Property Top Level Name() As String Get Return _Top Level Name End Get Set(By Val value As String) _Top Level Name = value End Set End Property Private level2Items As Observable Collection(Of String) Public Read Only Property Second Level Items() As Observable Collection(Of String) Get If level2Items Is Nothing Then level2Items = New Observable Collection(Of String)() End If Return level2Items End Get End Property Public Sub New() For i As Integer = 0 To 9 Second Level Items. I have looked into and tried using the Observable Collection class, when i remove or add items to the data Table, i can see from the debugger that the dt object has changed but the the problem is that the Rad Tree List View does not update.

However, changes to the membership of the root member level Observable Collection Further explanation, long time for answer to come, but I believe that if you do the binding in XAML, and then in code assign a new object to the property you break the binding, so you would have to redo the binding in code for it to work.

Silverlight is a browser plug-in that promotes a collaborative development environment of rich online media content that enables developers and designers alike to integrate multimedia and graphics into web pages within the context of the managed environment.

Over the past few years, Silverlight, formerly known as Windows Presentation Foundation Everywhere (WPF/E), has become popular worldwide for developing the next generation of cross-browser, cross-platform Rich Internet Applications (RIAs).

I have a telerik Rad Tree List View which is populated by a C# Data Table class. How do you expect UI to update, when you are doing operations on completely unrelated object instance?

All i want is to refresh the Rad Tree List View UI when items are removed or added to the Data Table (i dont care about when item properties change for now). Please consider changing the following declaration: public class Test : Observable Collection, the type of the child element should not be like the collection type itself.

Sorry - my question is almost identical to this one but since it didn't receive a viable answer, I am hoping that someone else has some fresh ideas.



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