Microsoft Report Viewer版本9.0到10.0报告无法加载

We are using WinForms Reoprt viewer control. Everything worked fine until we migrated to VS2010 from VS2008. VS2010 converts our project to corresponding version simultaneously changing the version of Microsoft.ReportViwer.Common and Microsoft.WinForms from 9.0 to 10.0. Also during the first opening of .rdlc file VS2010 suggests to convert it.We are using WinForms Reoprt viewer control. Ev