Can I apply [Required] attribute dynamically to ASP.NET MVC ViewModel?

Question

depending on configuration at each site, some fields on a form may or may not be required. Can I apply the [Required] attribute to fields of my ViewModel in code? I'd like to take advantage of all the conveniences of form validation, but I can't hard-code the [Required] attribute.

Darin Dimitrov · Accepted Answer · 2012-05-24 13:35:34Z

1

Checkout FluentValidation.NET. It could be used as a replacement of Data Annotations and has great integration with ASP.NET MVC. It allows you to define dynamic validation rules based on runtime conditions.

answered May 24, 2012 at 13:35

Darin Dimitrov

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asawyer · Accepted Answer · 2012-05-24 13:34:29Z

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No.* Metadata is cooked into the assembly.

*(Well I guess you could emit the assembly at runtime but lord that would be alot of crazy work)

answered May 24, 2012 at 13:34

asawyer

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