System.MissingMethodException on XAML

1 posts, 0 answers
  1. Liordino
    Liordino avatar
    9 posts
    Member since:
    Aug 2012

    Posted 10 Dec 2012 Link to this post

    Hi,

    I've just updated the Silverlight Controls to the latest version, and after the end of the update I can't open the designer of one of the pages of my project. I can't recall everything that is in these pages, but the one that I can't see the designer has an RadChart on it, and none of the others, wich I can see on the designer, have it.

    I can edit the XAML code and compile and run that page, thought.

    Here's the exception details that come up when I open the designer:

    System.MissingMethodException
    Method not found: 'System.String System.Environment.UnsafeGetFolderPath(SpecialFolder)'.
       at System.Windows.Application.CleanInBrowserAppDataCache()
       at System.Windows.Application.Application_Exited(Object sender, EventArgs e)
       at MS.Internal.CoreInvokeHandler.InvokeEventHandler(UInt32 typeIndex, Delegate handlerDelegate, Object sender, Object args)
       at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, Int32 actualArgsTypeIndex, String eventName, UInt32 flags)

     
    Microsoft.Windows.Design.Platform.InvalidDesignerUpdateException
    An unhandled exception was encountered while trying to render the current silverlight project on the design surface. To diagnose this failure, please try to run the project in a regular browser using the silverlight developer runtime.


    Thanks in advance!
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