title: SSN Validation in MVC2
body: <p>I have a business requirement where in i need to display SSN Field into three separate text boxes and if any one of the textbox is blank and user clicks save, I need to display a common error message on top of the SSN Field saying- "SSN is required field". I have added required field attribute on the view model on all these fields so i am getting three edit messages saying SSN is required. how to present only one edit in this case ?</p>
  
  <p>I am using ASP.NET MVC 2</p>
  
  <p>My view model is like this</p>
  
  <pre><code>[Required]
  SSN_FirstThreeDigits
  [Required]
  SSN_SecondTwoDigits
  [Required]
  SSN_ThirdFourDigits
  </code></pre>
  
  <p>Any suggestions</p>
  
  <p>Thanks
  Subu</p>