Validate data both on the client and the server because client validation is extremely easy to circumvent.

在客户机和服务器上都要验证数据，因为客户机验证非常容易绕过。

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Client-side data validation, which may be considered basic rich client functionality, would provide some value.

可以被认为是基本的富客户机的功能的客户机端的数据验证，可以提供一些帮助。

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If you work with data that depends on already-stored data for validation, try to keep that data available on the client also.

如果您所处理的数据依赖于已为验证而存储的数据，还要保持那些已存储的数据在客户端可用。

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