public ActionResult DeleteDish(int dishID) { try { DishTableAdapter DishAdapter = new DishTableAdapter(); DataTable DishData = DishAdapter.GetDataByDishID(dishID); int test = DishAdapter.Delete(dishID); if (!string.IsNullOrEmpty(DishData.Rows[0]["Image"].ToString())) { var deleteFilePath = AppDomain.CurrentDomain.BaseDirectory + DishData.Rows[0]["Image"].ToString(); System.IO.File.Delete(deleteFilePath); } Session["deleteDish"] = "Xóa thành công!"; } catch (Exception ex) { Log.ErrorLog(ex.Message); Session["deleteDish"] = "Xóa thất bại! Món ăn đang được sử dụng."; } return RedirectToAction("ListDish", "Dish"); }