private void btnViewSemReport_Click(object sender, EventArgs e) { try { DataTable dt = new DataTable(); systemManager objsystemManager = new systemManager(); dt = objsystemManager.ViewSemestersData(); if (dt != null && dt.Rows.Count > 0) { ReportDocument rptDoc = new ReportDocument(); rptSemesterDetails rpt = new rptSemesterDetails(); rptDoc = rpt; rptDoc.SetDataSource(dt); frmReportViewer objfrmReportViewer = new frmReportViewer(rptDoc); objfrmReportViewer.Show(); } else { MessageBox.Show("No Records"); } } catch (Exception ex) { throw ex; } }