public int DelDish(int id)
 {
     return(DishBll.Del(id));
 }
 public List <DishInfo> GetDish()
 {
     return(DishBll.Get());
 }
 public int UpdDish(DishInfo dish)
 {
     return(DishBll.Upd(dish));
 }
 public int AddDish(DishInfo dish)
 {
     return(DishBll.Add(dish));
 }