@{
    Layout = "~/Views/Shared/_Layout.cshtml";
}

@{
    ViewBag.Title = "Index";
    Layout = "~/Views/Shared/_Layout.cshtml";
}
 
<h2>Index</h2>

[SetLayoutAttribute("_MyLayout")]
public ActionResult Index()
{
      return View();
}

[SetLayoutAttribute("_MyLayout")]
    public class HomeController : Controller
    {
        
        public ActionResult Index()
        {
            return View();
        }

        public ActionResult About()
        {
            ViewBag.Message = "Your application description page.";

            return View();
        }

        public ActionResult Contact()
        {
            ViewBag.Message = "Your contact page.";

            return View();
        }
    }