title: HOw to find value of hidden field from formcollection in controller
body: <p>I am using a hidden field in my view which is saving some value of active tab index
  Now I want the value of hidden field in my controller 
  I m using a submit button to submit.</p>
  
  <pre><code> public ActionResult Index(FormCollection frm)
      {     var value = frm["HiddenName"];
   }
  </code></pre>
  
  <p>I m submitting form and using FormCollection to fetch values
  but when It comes to find value of hidden field I always gives me blank value, I have checked using page source code It has some value in it</p>