private void frmXuatNhapKho_Load(object sender, EventArgs e)
        {
            BaoCaoNhapKho report = new BaoCaoNhapKho();

            report.SetDataSource(SachCtr.BaoCaoNhapKhoS(ngay));
            crptXuatNhapKho.ReportSource = report;
        }
        public virtual CrystalDecisions.CrystalReports.Engine.ReportDocument CreateReport()
        {
            BaoCaoNhapKho rpt = new BaoCaoNhapKho();

            rpt.Site = this.Site;
            return(rpt);
        }