Invalid viewstage error on second postback

3 posts, 0 answers
  1. Fullsix
    Fullsix avatar
    1 posts
    Member since:
    Oct 2006

    Posted 17 Aug 2010 Link to this post

    Hi all,

    we're using radAjaxPanel (2010 Q2) and we're having a strange behaviour. Whenever we do a first post back it works ok. But if we do a second post back we get an "System.Web.UI.ViewStateException: Invalid viewstate."

    Anyone have a clue??

    thanks in advance!
  2. Pavlina
    Pavlina avatar
    6187 posts

    Posted 19 Aug 2010 Link to this post

    Hi Fullsix,

    The provided information is not enough for us to replicate the issue. Could you please open a support ticket and send us a simple page demonstrating the problem there? Thanks in advance.

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  3. Sunil
    Sunil avatar
    29 posts
    Member since:
    Jul 2010

    Posted 19 Aug 2010 Link to this post

    This may or may not work but if its a error refering to the viewstate of the viewtree, try placing all your controls inside a placeholder on that page.
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