public PartialViewResult Add(string mealSetID, string dishID)
        {
            int dish = int.Parse(dishID);
            int mealset = int.Parse(mealSetID);
            MealSetDishModel model = new MealSetDishModel();

            Session["maxMealsetDish"] = "";
            Session["existMealsetDish"] = "";

            try
            {
                MealSetDishDetailTableAdapter mealSetDishAdapter = new MealSetDishDetailTableAdapter();
                DataTable mealSetDishDT = new DataTable();
                mealSetDishDT = mealSetDishAdapter.GetDataByMealSetID(mealset);
                int test = mealSetDishDT.Rows.Count;
                if (mealSetDishDT.Rows.Count >= 6)
                {
                    Session["maxMealsetDish"] = "Số lượng món ăn trong suất ăn đã đầy. Bỏ món ăn ko cần để có thể thêm món mới!";
                    return PartialView("_MealSetDish", model);
                }
                mealSetDishDT = mealSetDishAdapter.GetDataByMealsetDish(mealset, dish);
                if (mealSetDishDT.Rows.Count != 0)
                {
                    Session["existMealsetDish"] = "Món ăn đã được thêm trước đó. Vui lòng chọn món ăn khác!";
                    return PartialView("_MealSetDish", model);
                }
                mealSetDishAdapter.InsertMealSetDish(mealset,dish);
                Log.ActivityLog("Insert into MealSetDishDetail table: MealsetID = " + mealSetID + ", DishID = " + dishID);
            }
            catch (Exception ex)
            {
                Log.ErrorLog(ex.Message);
            }

            MealSetDishInfoTableAdapter mealSetDishInfoAdapter = new MealSetDishInfoTableAdapter();
            DataTable mealSetDishInfoDT = mealSetDishInfoAdapter.GetDataByMealSetIDDishID(mealset, dish);
            model.DishID = dish;
            model.MealSetID = mealset;
            model.Dishname = mealSetDishInfoDT.Rows[0]["DishName"].ToString();
            model.DishTypeID = (int)mealSetDishInfoDT.Rows[0]["DishTypeID"];
            model.DishDescription = mealSetDishInfoDT.Rows[0]["DishDescription"].ToString();
            model.DishImage = mealSetDishInfoDT.Rows[0]["DishImage"].ToString();

            return PartialView("_MealSetDish", model);
        }
        public PartialViewResult Remove(string mealSetID, string dishID)
        {
            int dish = int.Parse(dishID);
            int mealset = int.Parse(mealSetID);

            try
            {
                MealSetDishDetailTableAdapter mealSetDishAdapter = new MealSetDishDetailTableAdapter();
                mealSetDishAdapter.DeleteMealSetDish(mealset, dish);
                Log.ActivityLog("Delete into MealSetDishDetail table: MealsetID = " + mealSetID + ", DishID = " + dishID);
            }
            catch (Exception ex)
            {
                Log.ErrorLog(ex.Message);
            }

            MealSetDishModel model = new MealSetDishModel();
            return PartialView("_MealSetDish", model);
        }