private void frptDanhSachHocSinh_Load(object sender, EventArgs e)
        {
            IList <ReportParameter> param            = new List <ReportParameter>();
            QuyDinhInfo             m_ThongTinTruong = QuyDinh.LayThongTinTruong();

            param.Add(new ReportParameter("TenTruong", m_ThongTinTruong.TenTruong));
            param.Add(new ReportParameter("DiaChiTruong", m_ThongTinTruong.DiaChiTruong));
            param.Add(new ReportParameter("NgayLap", DateTime.Today.Day + "/" + DateTime.Today.Month + "/" + DateTime.Today.Year));
            this.reportViewerDSHS.LocalReport.SetParameters(param);

            IList <HocSinhInfo> hocsinh = HocSinhCtrl.LayDsHocSinh();

            this.bSDSHocSinh.DataSource = hocsinh;

            this.reportViewerDSHS.RefreshReport();
        }