Microsoft.Reporting.WinForms.ReportViewer is not defined or The referenced component 'Microsoft.ReportViewer.Common' could not be found issue solved

I downloaded Microsoft Report Viewer 2010 Redistributable Package for dot net 4.0 or visual studio 2010 and installed it, but the problem persists

So from references I removed Microsoft.ReportViewer.Common and Microsoft.ReportViewer.WinForms.

and then I added the two references by going to add reference and then going to in the .net reference section.

and the issue solved.