If model validation fails, this filter returns an HTTP response that contains the validation errors. In that case, the controller action is not invoked.
如果模型验证失败，此过滤器会返回一个含有验证错误的HTTP响应。在此情况下，不会调用控制器动作。
If model validation fails, this filter returns an HTTP response that contains the validation errors. In that case, the controller action is not invoked.
如果模型验证失败，此过滤器会返回一个含有验证错误的HTTP响应。在此情况下，不会调用控制器动作。
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