private void btnSua_Click(object sender, EventArgs e) { MenuFood menu = new MenuFood(); for (int i = 0; i < gridView1.RowCount; i++) { menu.MaLH = Convert.ToInt32(gridView1.GetRowCellValue(i, "MALH").ToString()); menu.TenHH = gridView1.GetRowCellValue(i, "TENHH").ToString(); menu.GiaBan = Convert.ToInt32(gridView1.GetRowCellValue(i, "GIASP")); menu.MaHH = Convert.ToInt32(gridView1.GetRowCellValue(i, "MAHH").ToString()); ThucDonBUS.Update(menu); } XtraMessageBox.Show("Sửa thành công", "thông báo", MessageBoxButtons.OK, MessageBoxIcon.Information); frmDanhSachTD_Load(sender, e); }