public InvalidModelStateResult GetInvalidModelStateResult()
{
ModelStateDictionary states = new ModelStateDictionary();
states.AddModelError("argument", new ArgumentException());
states.AddModelError("implemented", new NotImplementedException());
return new InvalidModelStateResult(states, this);
//JSON: {"Message":"请求无效。","ModelState":{"argument":["值不在预期的范围内。"],"implemented":["未实现该方法或操作。"]}}
//XML: <Error><Message>请求无效。</Message><ModelState><argument>值不在预期的范围内。</argument><implemented>未实现该方法或操作。</implemented></ModelState></Error>
}