CRM 2011 Rollup 12 issue: Unable to cast type 'System.String' to 'System.Windows.Browser.ScriptObject' when calling HtmlPage.Window.Invoke from Silverlight

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  Hi,

    Just try the below setttings once,

   Administration ---> System Settings --> Customizatoin Tab

  Make sure these are checked,

  

  Regards,

  Srikanth

  Tuesday, January 29, 2013 10:20 AM
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  Hello,

  It seems that you are trying to call lookup dialog and get results from it. Check following article that describes changes - http://blog.sonomapartners.com/2013/01/ur12-upgrading-unsupported-code.html

  My suggestion to include support of all versions (before rollup 12 and rollup 12) you should use following approach:

  dynamic result = (ScriptObject)HtmlPage.Window.Invoke("showModalDialog", url, args, features);
  if (result is string){
  //processing for UR12
  }
  else{
  //processing for versions before UR12
  }

  
  

  ---

  Freelance Developer for Dynamics CRM 4.0/2011
  

  • Proposed as answer by Andrii ButenkoMVP, Moderator Tuesday, January 29, 2013 12:06 PM
  • Marked as answer by JLattimerMVP, Moderator Thursday, February 7, 2013 4:36 AM

  Tuesday, January 29, 2013 10:54 AM

  Moderator
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  Thanks Andrii.... I have already implemented above code check.
  And agree that this is good suggestion.

  • Marked as answer by Dhananjay G Pashte Friday, April 5, 2013 10:54 AM

  Tuesday, January 29, 2013 11:55 AM