Step 1:-
Creating the one sample .rdlc file report from SSRS templete
Step 2:- Add Reference to the project “Microsoft.ReportViewer.WebForms”
<%@ Register
Assembly="Microsoft.ReportViewer.WebForms,
Version=10.0.0.0,
Culture=neutral,
PublicKeyToken=b03f5f7f11d50a3a"
Namespace="Microsoft.Reporting.WebForms"
TagPrefix="rsweb" %>
Step 3:-Add this report tag
<rsweb:ReportViewer
ID="ReportViewerForCSDRS"
runat="server"...