GridViewComboBoxColumn broken after SL4 migration

[Roger]

I converted my solution to SL4, and the GridViewComboBoxColumn
usage:

 

<Controls2:GridViewComboBoxColumn
UniqueName="NameSelection"
DisplayMemberPath="name"
Header="Name"
DataMemberBinding="{Binding familyMemberid}"
SelectedValueMemberPath="familyMemberId" />

 

 

 

 

 

 

I had working in SL3 is now throwing a javascript error in SL4:

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; OfficeLiveConnector.1.3; OfficeLivePatch.0.0)
Timestamp: Tue, 27 Apr 2010 18:21:42 UTC

Message: Unhandled Error in Silverlight Application
Code: 4004   
Category: ManagedRuntimeError      
Message: System.Exception: Error HRESULT E_FAIL has been returned from a call to a COM component.
   at MS.Internal.XcpImports.MethodEx(IntPtr ptr, String name, CValue[] cvData)
   at MS.Internal.XcpImports.MethodEx(DependencyObject obj, String name)
   at MS.Internal.XcpImports.UIElement_UpdateLayout(UIElement element)
   at Telerik.Windows.Controls.PopupWrapper.AdjustPopupLocation()
   at Telerik.Windows.Controls.RadComboBox.UpdateItemsVisibility(Boolean showAll, List`1 matchIndices)
   at Telerik.Windows.Controls.RadComboBox.DropDownPopupOpened(Object sender, EventArgs e)
   at MS.Internal.CoreInvokeHandler.InvokeEventHandler(Int32 typeIndex, Delegate handlerDelegate, Object sender, Object args)
   at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, String eventName)    

Line: 56
Char: 13
Code: 0
URI: http://xxxxxxxx

 

[Pavel Pavlov]

Hello Roger,

I am not sure id that is the case , but recently I have got the same error and after some research I found that I was using the SL3 telerik binaries instead of the SL4 ones.

I think downloading and using the SL4 version of the binaries will  most probably fix the problem. If it is not the case , I would suggest to open a support ticket and send me the project , so I can check it and provide a fix.

Sincerely yours,
Pavel Pavlov
the Telerik team

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[Roger]

I am running 2010.1.309.1030. How do I know for sure. Does this include both SL3 and SL4 binaries?

[Roger]

I downloaded 2010.1 422, and that appears to have fixed it.

Thanks