private void LayDanhSachBacSy() { BacSyBUS itemBUS = new BacSyBUS(); BindingList<BacSyDTO> danhSach = itemBUS.LayDanhSach(); danhSach.AllowEdit = danhSach.AllowNew = danhSach.AllowRemove = true; gcDanhMucBacSy.DataSource = danhSach; }