title: How to add a hidden field inside webgrid column in MVC action
body: <p>I want to create hidden field in Webgrid <strong>PollId</strong> column which i am exactly not sure how to add some extra fields in this scenario </p>
  
  <pre><code>    public ActionResult Index(string mode)
      {
           List&lt;WebGridColumn&gt; columns = new List&lt;WebGridColumn&gt;();
           columns.Add(new WebGridColumn() { ColumnName="PollId", Header="Id", Format= (item) =&gt;  });
           ViewBag.Columns = columns;
           ViewBag.Columns = columns; 
           return View();
      }
  </code></pre>