gistfile1.js

//this code goes in your partialview
$(function(){ 
  //allow the validation framework to re-prase the DOM
  jQuery.validator.unobtrusive.parse(); 
  
  //or to give the parser some context, supply it with a selector
  //jQuery validator will parse all child elements (deep) starting
  //from the selector element supplied
  jQuery.validator.unobtrusive.parse("#formId");
});