/// <summary>
        /// 删除属性
        /// </summary>
        public ActionResult DelAttribute(int attrId)
        {
            int result = AdminCategories.DeleteAttributeById(attrId);

            if (result == 0)
            {
                return(PromptView("删除失败,请先删除此属性下的属性值"));
            }
            AddAdminOperateLog("删除商品属性", "删除商品属性,属性ID为:" + attrId);
            return(PromptView("商品属性删除成功"));
        }