string folder = System.Configuration.ConfigurationManager.ConnectionStrings["rptfolder"].ProviderName;
            string reportURL = "";
            reportURL = System.Configuration.ConfigurationManager.ConnectionStrings["rpturl"].ProviderName;

            ReportViewer1.ProcessingMode = Microsoft.Reporting.WebForms.ProcessingMode.Remote;
            ReportViewer1.ServerReport.ReportServerUrl = new Uri(reportURL);
            ReportViewer1.ServerReport.ReportPath = folder + "MileageReport";
            //ReportViewer1.ServerReport.ReportPath = folder + "testReport";
            //added by nilesh
            IReportServerCredentials irsc = new ReportCredentials(UserName, Password, System.Configuration.ConfigurationManager.ConnectionStrings["domain"].ProviderName);
            ReportViewer1.ServerReport.ReportServerCredentials = irsc;
            // bool isauthenticated = ReportViewer1.ServerReport.ReportServerCredentials.ImpersonationUser.IsAuthenticated;
            UserDataClass.LogError(userData.userId, "Not Error " + " UserName " + UserName + " Password " + Password + " Domain " +
               System.Configuration.ConfigurationManager.ConnectionStrings["domain"].ProviderName
               + " ReportPath " + ReportViewer1.ServerReport.ReportPath + " reportURL " + ReportViewer1.ServerReport.ReportServerUrl );