什么是ModelState.IsValid？ [英] what is ModelState.IsValid?

问题描述

在控制器中的函数开头有：ModelState.IsValid

为什么总是FALSE？

谢谢!!!

At the beginning of the function in the controller has: ModelState.IsValid
Why is it always FALSE?
thank you!!!

推荐答案

你真的需要拿一本关于MVC的书。这是一个基本概念，你不会在论坛环境中得到完整的答案。



阅读这个 [ ^ ]获得了不错的解释。为了更好的一个，并涵盖MVC的所有基础知识，拿起一本书并完成它。

You seriously need to pickup a book on MVC. This is a basic concept that you're not going to get a complete answer on in a forum environment.

Read this[^] for a decent explanation. For an even better one, and covering all the basics of MVC, pick up a book on it and work through it.

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