public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport()
        {
            CrystalReport2 rpt = new CrystalReport2();

            rpt.Site = this.Site;
            return(rpt);
        }
        private void frmInHoaDonBanHangCrystal_Load(object sender, EventArgs e)
        {
            CrystalReport2 r = new CrystalReport2();

            r.SetDataSource(frmMenu.ds);
            r.SetParameterValue("TenBan", frmMenu.tenBan);
            r.SetParameterValue("NguoiLapPhieu", frmDangNhap.tenDangNhap);
            r.SetParameterValue("TongTienBangChu", frmMenu.tongtienbangchu);
            crystalReportViewer1.ReportSource = r;
        }