Failed to create designer

2 posts, 0 answers
  1. Lourdes
    Lourdes avatar
    2 posts
    Member since:
    Aug 2010

    Posted 28 Jun 2012 Link to this post

    My computer crashed so we had to rebuild it.  I downloaded the most recent telerik files that I had licenses to.

    I have some sites that used the older versions.  

    So when I opened them, I'm getting the error 
    "Failed to create designer ' version 2011.1.519.35 etc"

    how to I fix that?

    Thank you.
  2. Eyup
    Eyup avatar
    4046 posts

    Posted 02 Jul 2012 Link to this post

    Hello Lourdes,

    The error you are currently facing indicates that there is a mismatch between the loaded dll assemblies and the ones that the project is initially build with . Please refer to the following topic where possible solutions to this problem are described:
     Design-time Troubleshooting

    I hope this will prove helpful.

    All the best,
    the Telerik team
    If you want to get updates on new releases, tips and tricks and sneak peeks at our product labs directly from the developers working on the RadControls for ASP.NET AJAX, subscribe to their blog feed now.
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