In this article, I will solve the below issue
The base class includes the field ‘XXX’, but its type is not compatible with the type of control “Microsoft.Reporting.WebForms.ReportViewer”
Scenario
In SharePoint Solution, I have tried to add a “Report Viewer” control to visual web part but, I got the below error
The base class includes the field ‘rv_emp’, but its type (Microsoft.Reporting.WebForms.ReportViewer) is not compatible with the type of control (Microsoft.Reporting.WebForms.ReportViewer)