HomeController.cs

public ActionResult Index()
{
    // create a new instance of the model
    // fill the model from your data source here
    address newAddress = new address()
    {
        Name = "Peter Jackson",
        Street = "2332 Paul Jackson Dr"
    };

    // create a new XML document
    XmlDocument xml = SerializeToXmlDocument(newAddress);

    // fill the ViewBag and return the view
    ViewBag.xmlDataSource = xml;
    return View();
}