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Editorial Team
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Asked: 2026-05-22T21:50:54+00:00

What is the best way to do validation in MVC 3? Here are the

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What is the best way to do validation in MVC 3? Here are the requirements:

  1. Works client and server side.
  2. Shares as much code between client and server as possible (attribute on model property seems ideal)
  3. Works across async request
  4. Display errors, validation messages, and success messages coming from the server side
  5. Unobtrusive javascript, as minimal as possible
  6. Dynamically added HTML should still validate the same way

My task this weekend is to build a robust solution for this, figured I’d ask here first before re-inventing or re-discovering the wheel with blood sweat and tears.

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  1. Editorial Team

    I would check out Brad Wilson’s blog on this. He covers using unobtrusive validation in MVC3, sounds like exactly what you’re looking for.

    Adding more info per OP’s comment

    Regarding server side validation (custom validation), check out @jfar’s response to a similar question I posted regarding custom validation — he suggests that you should question your design if you’re relying heavily on custom validation. In my case, I ended up going either with Ajax to handle my custom validation, or allowed the postback to perform the validation.

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