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

            rpt.Site = this.Site;
            return(rpt);
        }
        private void frmDSBenhNhanTheoKhoa_Load(object sender, EventArgs e)
        {
            DataTable dt = new DataTable();
            KetNoi    kn = new KetNoi();

            // dt = kn.laybang("SELECT tblBenhnhan.PK_iBenhnhanID, tblBenhnhan.sHoten, tblBenhnhan.bGioitinh, tblBenhnhan.sDiachi, tblBenhnhan.iSDT, tblBenhnhan.dNgaysinh, tblKhoa.PK_iKhoaID, tblKhoa.sTenKhoa FROM     tblBenhnhan INNER JOIN  tblKhoa ON tblBenhnhan.PK_iBenhnhanID = tblKhoa.PK_iBenhNhanID");
            dt = kn.laybang("SELECT tblBenhNhan.PK_iBenhNhanID, tblBenhNhan.sHoTen, tblBenhNhan.bGioiTinh, tblBenhNhan.sDiaChi, tblBenhNhan.sSDT, tblBenhNhan.dNgaySinh, tblKhoa.PK_iKhoaID, tblKhoa.sTenKhoa FROM tblBenhNhan INNER JOIN tblKhoa ON tblBenhNhan.PK_iKhoaID = tblKhoa.PK_iKhoaID");
            CRBenhNhanTheoKhoa rp = new CRBenhNhanTheoKhoa();

            rp.SetDataSource(dt);
            rpdsBNtheoKhoa.ReportSource = rp;
        }