protected void gridDanhSachHangHoa_Temp_RowUpdating(object sender, DevExpress.Web.Data.ASPxDataUpdatingEventArgs e)
        {
            string IDPhieuKiemKho = IDPhieuKiemKho_Temp.Value.ToString();
            string ID             = e.Keys[0].ToString();
            float  ThucTe         = float.Parse(e.NewValues["ThucTe"].ToString());

            if (ThucTe >= 0)
            {
                float TonKho = float.Parse(e.NewValues["TonKho"].ToString());
                data = new dtKiemKho();
                data.CapNhatPhieuKiemKho_Temp(ID, ThucTe.ToString(), (ThucTe - TonKho).ToString());
                e.Cancel = true;
                gridDanhSachHangHoa_Temp.CancelEdit();
                LoadGrid(IDPhieuKiemKho);
            }
            else
            {
                throw new Exception("Lỗi: Số lượng thực tế phải  >= 0");
            }
        }