Asp.Mvc 2.0用户登录实例讲解---(4)服务器端验证(4)

        /// <summary>
        /// 返回错误的提示信息
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public override string FormatErrorMessage(string name)
        {
            return ErrorMessage;
        }

        /// <summary>
        /// 重写TYPEID
        /// </summary>
        public override object TypeId
        {
            get
            {
                return _typeid;
            }
        }

       /// <summary>
       /// 判断是否想到
       /// </summary>
        /// <param name="value">value的值实际上是MODEL提交的MODEL类</param>
       /// <returns></returns>
        public override bool IsValid(object value)
        {
            PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(value);
            object originalValue = properties.Find(PWD, true ).GetValue(value);//获取密码
            object confirmValue = properties.Find(ConfirmPwd, true).GetValue(value);//获取确认密码的值
            return Object.Equals(originalValue, confirmValue);

        }
    }
 

  PwdMatch属性类创建后，可把它标记在注册MODEL的上面，然后提交注册的时候，就会验证了

  [PwdMatch("UserPwd","ConfirPwd", ErrorMessage ="密¨¹码?与®?确¨¡¤认¨?不?匹£¤配?")]