Кнопка входа в систему не может достичь [httpost]

Здесь я пытаюсь создать страницу входа с помощью приложения asp.net MVC4, но не могу проверить данные базы данных с помощью HttpPost

[HttpGet]
    public ActionResult LogIn(string returnUrl = "")
    {
        if (User.Identity.IsAuthenticated)
        {
            return LogOut();
        }

        ViewBag.ReturnUrl = returnUrl;
        return View();
    }

    [HttpPost]
    public  bool ValidateUser(string UserID, string Password)
    {
        if (string.IsNullOrEmpty(UserID) || string.IsNullOrEmpty(Password))
            return false;

        using (ntc_salesEntities context = new ntc_salesEntities())
        {
            var user = (from u in context.user_master
                        where String.Compare(u.UserID, UserID, StringComparison.OrdinalIgnoreCase) == 0
                              && String.Compare(u.Password, Password, StringComparison.OrdinalIgnoreCase) == 0
                         select u).FirstOrDefault();

            return user != null;
        }
    }

    [HttpPost]
    public ActionResult Login(Models.user_master model, string returnUrl = "")
    {
       // if (ModelState.IsValid)
      //  {
            if (Membership.ValidateUser(model.UserID,model.Password))
            {
                FormsAuthentication.RedirectFromLoginPage(model.UserID,false);
                return RedirectToAction("Index", "Login");
            }
            else
            {
                ModelState.AddModelError("", "Login details are wrong.");
            }
            return View(model);
       // }
    }

Авторизоваться:

@model Loginusingmvc.Models.user_master

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

@Html.ValidationSummary(true, "Login Failed, check details")

<div>
    @using (Html.BeginForm("Login", "Login", new { returnUrl = Request.QueryString["returnUrl"] }, FormMethod.Post))
    {
    <fieldset>
        <legend>Login Form</legend>
        <div class="editor-label">@Html.LabelFor(u=> u.UserID)</div>
        <div class="editor-field">@Html.TextBoxFor(u=> u.UserID)
            @Html.ValidationMessageFor(u=> u.UserID)
        </div>
        <div class="editor-label">@Html.LabelFor(u=> u.Password)</div>
        <div  class="editor-field">@Html.PasswordFor(u=> u.Password)
            @Html.ValidationMessageFor(u=> u.Password)
        </div>

        <input type="submit" value="Log In" name="Login" />

    </fieldset>
    }
</div>

Маршрутизация:

    public static void RegisterRoutes(RouteCollection routes)
    {
        routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

        routes.MapRoute(
            name: "Default",
            url: "{controller}/{action}/{id}",
            defaults: new { controller = "Login", action = "LogIn", id =    
          UrlParameter.Optional }
        );
    }