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Editorial Team
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Asked: 2026-05-22T01:43:46+00:00

Reproduction: Create a Silverlight project Turn it to version 5 Add references to the

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Reproduction:

  1. Create a Silverlight project
  2. Turn it to version 5
  3. Add references to the Silverlight Toolkit (using NuGet or direct)
  4. Add a DataForm to your page
  5. This is the exception the DataForm constructor throws:
    {System.IO.FileNotFoundException: Could not load file or assembly 'System.Windows.Controls.Data.Input, Version=2.0.5.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The system cannot find the file specified.
    [IO.FileName_Name]
    Arguments: System.Windows.Controls.Data.Input, Version=2.0.5.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35
    Debugging resource strings are unavailable. Often the key and arguments provide sufficient information to diagnose the problem. See http://go.microsoft.com/fwlink/?linkid=106663&Version=5.0.60401.00&File=mscorlib.dll&Key=IO.FileName_Name
    at System.Windows.Controls.DataForm..ctor()}
  6. Turn back to Silverlight 4
  7. Now everything is cool again

Weird note: it does work in the VS/Exp. Blend 5 designers

Any ideas?? Workaround???

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1 Answer

  1. Editorial Team

    Found a very strange workaround: After I returned the SL version to 4, and re-returned it to 5, everything works! (?!?)

    Anyway I’m sure recompiling the source-code of the SL TK targeting SL5 will help anyway.

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