public static List<P_DonDatHangCT> find(oDonDatHangCT obj)
        {
            using (var model = ModelConnector.Connector())
            {
                var list = from lst in model.P_DonDatHangCT select lst;

                if (!string.IsNullOrEmpty(obj.SoDonDatHang))
                    list = list.Where(l => l.SoDonDatHang.Equals(obj.SoDonDatHang));
                return list.ToList();
            }
        }
        void load_DonDatHang()
        {
            dateNgayGiaoDich.DateTime = objPDonDatHang.NgayDatHang.Value;
            gridlk_DanhMucPhapNhan.EditValue = objPDonDatHang.DonViGoi;
            gridlk_DanhMucPhapNhanDatHang.EditValue = objPDonDatHang.DonViDat;
            txtSoDonHang.Text = objPDonDatHang.SoDonDatHang;
            txtSoHoaDon.Text = objPDonDatHang.SoHoaDon;
            chkLenhXuatKho.Checked = objPDonDatHang.IsSoPhieu.Value;
            chkLenhXuatKho.Enabled = objPDonDatHang.IsSoPhieu.Value == true ? false : true;
            path_folder = objPDonDatHang.FileLuuTru;
            if(chkLenhXuatKho.Checked==true)
            {
                oDonDatHangCT_Phieu ophieu = new oDonDatHangCT_Phieu() { SoDonDatHang = objPDonDatHang.SoDonDatHang};
                lstPDonDatHangCtPhieu = new List<P_DonDatHang_CT_Phieu>();
                lstPDonDatHangCtPhieu = ADonDatHangCT_Phieu.find(ophieu);
                DataTable dtphieu = commons.ToDataTable(lstPDonDatHangCtPhieu);
                dtphieu.Columns.Add("DVT", typeof(string));
                for (int i = 0; i < dtphieu.Rows.Count; i++)
                {
                    dtphieu.Rows[i]["DVT"] = ((P_DanhMucHang)repoTenHangPhieu.GetDataSourceRowByKeyValue(dtphieu.Rows[i]["TenHang"])).DVT;
                }

                gridMainPhieu.DataSource = dtphieu;
            }

            oDonDatHangCT ct= new oDonDatHangCT();
            ct.SoDonDatHang = objPDonDatHang.SoDonDatHang;
            DataTable dt = commons.ToDataTable(ADonDatHangCT.find(ct));
            dt.Columns.Add("HinhThucThanhToan").DefaultValue = "CK";
            gridMain.DataSource = dt;
        }