public bool deleteDish()
 {
     string dishId = Request.Form["dishId"];
     if (dishId != null)
     {
         DishDAO dishDAO = new DishDAO();
         if (dishDAO.deleteById(Convert.ToInt32(dishId))) { return true; }
         else { return false; }
     }
     return false;
 }
        protected void Unnamed_Click(object sender, EventArgs e)
        {
            Response.Write("<Script Language='JavaScript'>alert('"+e.ToString()+"');</Script>");
            string dishId = Request.Form["dishId"];

            if (dishId != null)
            {
                DishDAO dishDAO = new DishDAO();
                if (dishDAO.deleteById(Convert.ToInt32(dishId))) { Response.Write("<Script Language='JavaScript'>alert('添加成功');</Script>"); }
                else { Response.Write("<Script Language='JavaScript'>alert('添加错误,亲!');</Script>"); }
            }
        }