public void SelectById() { DonHangDAL selectDonHangById = new DonHangDAL(); selectDonHangById._donHang = this._donhang; KetQua = selectDonHangById.SelectById(); GridView grid = new GridView(); grid.DataSource = KetQua; grid.DataBind(); if (grid.Rows.Count > 0) { if (grid.Rows[0].Cells[1].Text.ToString() != " ") //grid.Rows[0].Cells[1]phu thuoc cau truy van, lay cot ngay xu ly don hang { _donhang.NgayXuLyDonHang = Convert.ToDateTime(grid.Rows[0].Cells[1].Text.ToString()); } _donhang.TrackingNumber = grid.Rows[0].Cells[3].Text.ToString().Replace(" ", ""); _donhang.IdTinhTrangDonHang = int.Parse(grid.Rows[0].Cells[2].Text.ToString()); } }