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?