Could'nt able to Add controls to window

2 posts, 0 answers
  1. Madhu
    Madhu  avatar
    10 posts
    Member since:
    Jun 2009

    Posted 08 Jun 2009 Link to this post

    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







  2. Vlad
    Admin
    Vlad avatar
    11100 posts

    Posted 09 Jun 2009 Link to this post

    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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