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Home/ Questions/Q 6893341
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Editorial Team
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Editorial Team
Asked: May 27, 20262026-05-27T06:38:48+00:00 2026-05-27T06:38:48+00:00

I am working on an asp mvc3 app that is using .NET 4 .

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I am working on an asp mvc3 app that is using .NET 4.

However the model I want to use is in a class library that is using .NET 3.5 and cannot change.

Can I add the .NET 4 data annotations to some properties in my model in the controller programatically to get some easy validation?

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  1. Editorial Team
    Editorial Team
    2026-05-27T06:38:49+00:00Added an answer on May 27, 2026 at 6:38 am

    Create your own ModelMetadataProvider and this should do want you want

    http://www.dotnetcurry.com/ShowArticle.aspx?ID=715

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