title: MVC 3 DataAnnotations: Not allow HTML
body: <p>Is there anyway to use DataAnnotations in MVC 3 to not allow HTML is used in a textbox?
  I see a way to allow using HTML (AllowHTMLAttribute) but what if i dont want the user to type any HTML in the textbox and want to warning him?</p>
  
  <p>Thanks :)</p>