Having trouble with Tab and Beta 2

7 posts, 1 answers
  1. Ben Hayat
    Ben Hayat avatar
    892 posts
    Member since:
    May 2008

    Posted 27 Aug 2008 Link to this post

    I just installed the B2 and added new dlls to my current project. In Blend, If I go to a page that has a Tab Control there, I get error message "Cannot create an instance or RADTabControl". With this error, I can't see the control or the content at design time to work on the page. Any suggestion or workaround?

    ..Ben
  2. Answer
    Miroslav
    Admin
    Miroslav avatar
    922 posts

    Posted 29 Aug 2008 Link to this post

    Hello Ben,

    There was an update of the controls that resolves the design-time issues with Blend. Please download the controls again.

    I am sorry for any inconvenience caused.

    Regards,
    Miroslav
    the Telerik team

    Check out Telerik Trainer, the state of the art learning tool for Telerik products.
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  4. ChrisWalker
    ChrisWalker avatar
    21 posts
    Member since:
    May 2007

    Posted 29 Aug 2008 Link to this post

    Ben, Miroslav

    I had this same problem yesterday. What I found was that in VS I had Telerik.Windows.Controls.Navigation as my only Telerik assembly. It worked fine in VS but opening in blend produced the error Ben found. If I added Telerik.Windows.Controls as a reference in VS I could open the page in blend.

  5. Ben Hayat
    Ben Hayat avatar
    892 posts
    Member since:
    May 2008

    Posted 29 Aug 2008 Link to this post

    Miroslav;

    Thank you for the update and I'll download it now!
    ..Ben
  6. Ben Hayat
    Ben Hayat avatar
    892 posts
    Member since:
    May 2008

    Posted 01 Sep 2008 Link to this post

    New update works!

    Thanks!
    ..Ben
  7. Sandeep
    Sandeep avatar
    18 posts
    Member since:
    Oct 2008

    Posted 10 Oct 2008 Link to this post

    Hi,
    I was having the same problem as mentioned by Ben with "Telerik_RadControls_for_Silverlight_Beta2_Trial" .
    I took the latest download "Telerik_RadControls_for_Silverlight_RC0_Trial".
    Now I am not able to drag the TabControl on the Expression Blend 2.5 June 2008 preview. Every time I do it, I get the following error :

    ---------------------------
    Target Invocation Exception
    ---------------------------
    Inner exception: System.TypeInitializationException: The type initializer for 'Telerik.Windows.Controls.RadTabControl' threw an exception. ---> System.MissingMethodException: Method not found: 'Void System.Windows.PropertyMetadata..ctor(System.Object, System.Windows.PropertyChangedCallback)'.

       at Telerik.Windows.Controls.RadTabControl..cctor()

       --- End of inner exception stack trace ---
    ---------------------------
    OK  
    ---------------------------


    I have silverlight 2 Beta 2 on my machine and for Telerik have the dlls from the download of  "Telerik_RadControls_for_Silverlight_RC0_Trial".
    Regards,
    Sandeep
  8. Ben Hayat
    Ben Hayat avatar
    892 posts
    Member since:
    May 2008

    Posted 10 Oct 2008 Link to this post

    Sandeep, be sure have the following setup correctly:

    .Net 3.5 SP1
    VS 2008 SP1
    SL RC0
    Blend 2 SP1
    Telerik RC0 compatible controls (latest one to pickup).

    Try the tab with the above combo and see if you still have problem.
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