Crystal Reports 2008 using .NET 3.5 issue

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  Hello,
  
  I have ceated my custom Crystal reports using a composite control where I create dynamically my ReportViewer and ReportDocument and feed it with data.
  
  Before upgrading to .NET 3.5 everything worked fine.
  
  When I upgraded to VS 2008 / .NET 3.5 the reports load the first time correctly, but when I click on one of the node in the left tree ( Grouping by date for example) I should wait like 20 seconds to get the response.
  
  I don't know the cause of this delay. I debugged the code and found that After I load the report to the Viewer in the page Load event, it takes like 20 seconds to jump to the Unload event of the page.
  
  This only happens when I click one of these nodes in the tree.
  
  Any suggestions?

  Tuesday, January 27, 2009 3:01 PM