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+1  Q: 

ASP.NET MVC: Can I use the MicrosoftMvcValidation.js functions to make an <input type=file> mandatory?

I have a form with a file-upload button plus some other entry fields and a submit button. I want the submit button to be enabled only if a file has been selected. I could probably do this with JQuery, but I figured that since I'm already including the MicrosoftMvcValidation.js scripts there might be something in there that I could use? Anybody know?

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