<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Bootstrap 101 Template</title>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
.field-validation-error {
<div class="col-md-6 col-md-offset-3">
<input type="text" id="Nome" />
<button class="btn btn-primary" onclick="TesteAjax()">Teste Ajax</button>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
<script src="//ajax.aspnetcdn.com/ajax/jquery.validate/1.11.1/jquery.validate.min.js"></script>
<script src="//ajax.aspnetcdn.com/ajax/mvc/4.0/jquery.validate.unobtrusive.min.js"></script>
<script type="text/javascript">
url: '@Url.Action("Teste", "Home")',
data: {nome: $('#Nome').val()},
success: function(resp) {
$("#resposta").html(resp);
}, error: function(erro){
$("#resposta").html(erro);