Could'nt able to Add controls to window

[Madhu]

Hi

i've tried to add RADGridView control to the window of wpf project.but its giving error like

Object reference not set to an instance of an object.
   at Telerik.Windows.Controls.GridView.GridViewVirtualizingPanel.get_HeightsCache() in c:\Builds\WPF_Scrum\GridView_WPF_2009_Q1_SP2\Sources\Development\Controls\GridView\GridView\GridView\Virtualization\GridViewVirtualizingPanel.cs:line 73
   at Telerik.Windows.Controls.GridView.GridViewVirtualizingPanel.get_ExtentHeight() in c:\Builds\WPF_Scrum\GridView_WPF_2009_Q1_SP2\Sources\Development\Controls\GridView\GridView\GridView\Virtualization\GridViewVirtualizingPanel.cs:line 505
   at Telerik.Windows.Controls.GridView.GridViewScrollViewer.UpdateScrollBars() in c:\Builds\WPF_Scrum\GridView_WPF_2009_Q1_SP2\Sources\Development\Controls\GridView\GridView\GridView\Virtualization\GridViewScrollViewer.cs:line 493
   at Telerik.Windows.Controls.GridView.GridViewScrollViewer.GridViewScrollViewer_LayoutUpdated(Object sender, EventArgs e) in c:\Builds\WPF_Scrum\GridView_WPF_2009_Q1_SP2\Sources\Development\Controls\GridView\GridView\GridView\Virtualization\GridViewScrollViewer.cs:line 513
   at System.Windows.ContextLayoutManager.fireLayoutUpdateEvent()
   at System.Windows.ContextLayoutManager.UpdateLayout()
   at System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg)
   at System.Windows.Media.MediaContext.InvokeOnRenderCallback.DoWork()
   at System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
   at System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
   at System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Boolean isSingleParameter)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Boolean isSingleParameter, Delegate catchHandler)

Hav i missed any dll's while installing RAD controls ?
I've installed trail version of RAD controls.

With Regards,
Madhu k

[Vlad]

Hello Madhu ,

Please check my reply to your other post:
http://www.telerik.com/community/forums/wpf/general-discussions/could-nt-able-to-work-with-rad-controls.aspx

Kind regards,
Vlad
the Telerik team

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