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I upgraded an ASP.NET application developed with VS 2008 (.NET framework 3.5 and Crystal report 10) to VS 2012 (.NET framework 4.5 and Crystal report 13). In the upgraded application, generated report was not displaying in IE. When I tested in Firefox, it displayed the report with empty first page, and when I went to the next page and came back, first page was filled with data. Solution : I had used an Ajax Update Panel to show the Crystal report and it was working fine before upgrade. When I removed the Update panel in the new version, it started working. But I am trying to check whether a newer Ajax version would solve the problem

I upgraded an ASP.NET application developed with VS 2008 (.NET framework 3.5 and Crystal report 10) to VS 2012 (.NET framework 4.5 and Crystal report 13). Upgrade was successful but most of the crystal reports gave a crashing problem that VS2012 crashed when running those reports. I tried to create a new report and when adding the SP from the new connection (ODBC connection) in report designer, VS crashed giving the same error. Solution: I removed the 32 bit ODBC connection  (iSeries Access ODBC Driver) and created it again and the problem was solved.