public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport()
        {
            rptLuongnvtheothang rpt = new rptLuongnvtheothang();

            rpt.Site = this.Site;
            return(rpt);
        }
        private void btnPreview_Click(object sender, EventArgs e)
        {
            rptLuongnvtheothang report = new rptLuongnvtheothang();
            String    query            = "EXEC SP_LUONGNVTRONGTHANG " + cmbThang.Text + "," + cmbNam.Text;
            DataTable dt = Program.ExecSqlDataTable(query);

            report.SetDataSource(dt);
            report.SetParameterValue("THANG", cmbThang.Text);
            report.SetParameterValue("NAM", cmbNam.Text);
            report.SetParameterValue("CHINHANH", Program.tenchinhanh);
            rptView.ReportSource = report;
        }