at Microsoft.Reporting.WebForms.LocalReport.CompileReport() at Microsoft.Reporting.WebForms.LocalReport.SetParameters(IEnumerable`1 parameters

Hello all
This was created with version 2005 dataset datatable only to show in report. I have added the two dll
Microsoft.ReportViewer.Common10.0
Microsoft.ReportViewer.Webforms 9.0

Had to update the report when viewing in vs 2010 asking to update to 2008 which i did.  I did a refresh on the dataset did not work error above and then i created a new report same datasest still not working.  Getting the error above on line below . 
  ReportViewer1.LocalReport.SetParameters(oList) HELP!!