public class LoginController : Controller
{
    // GET: /<controller>/
    //[Route("/Login")]
    public ActionResult Index()
    {
        return View();
    }

    public bool Login(Workflow.Models.WorkflowContext wfc, string username, string password)
    {
        var user = wfc.User.Where(u => u.Active && u.Username == username && u.Password == password).ToList();
        if (user.Count > 0)
        {
            //User may log in
            return true;
        }
        else
            //Access Denied
            return false;
    }
}

[Authorize]
public class HomeController : Controller
{
    [Route("/Home")]
    public ActionResult Index()
    {
        return View();
    }

    public ActionResult About()
    {
        ViewData["Message"] = "Your application description page.";

        return View();
    }

    public ActionResult Contact()
    {
        ViewData["Message"] = "Your contact page.";

        return View();
    }

    public ActionResult Error()
    {
        return View();
    }
}