@model HelloWorldMvcApp.SampleViewModel
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<script type="text/javascript">
@using (Html.BeginForm())
@Html.RadioButtonFor(v => v.Ativo,"S", new { @Name="ativo"})
@Html.RadioButtonFor(v => v.Ativo,"N", new { @Name="ativo"})
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script type="text/javascript">
var ativo = $("input:radio[name='ativo']");
function onAtivoClick() {
var value = ativo.filter(":checked").val();
ativo.click(onAtivoClick);