private void crystalReportViewer1_ReportRefresh(object source, CrystalDecisions.Windows.Forms.ViewerEventArgs e)
        {
            DTO.fThongKeMonAnDTO  fthongkemonan = new DTO.fThongKeMonAnDTO();
            DataTable             table         = fthongkemonan.LayDS_MA();
            CrystalReport_tkMonAn report        = new CrystalReport_tkMonAn();

            report.SetDataSource(table);
            crystalReportViewer1.ReportSource = report;
        }
        private void frmThongKeMonAn_Shown(object sender, EventArgs e)
        {
            DTO.fThongKeMonAnDTO  fthongkemonan = new DTO.fThongKeMonAnDTO();
            DataTable             table         = fthongkemonan.LayDS_MA();
            CrystalReport_tkMonAn report        = new CrystalReport_tkMonAn();

            report.SetDataSource(table);
            crystalReportViewer1.ReportSource = report;
        }