public ActionResult Index(Login userLogin)
    {

        if (ModelState.IsValid)
        {
            Login Login = loginBusinessLayer.GetUserLogin(userLogin.UserId, userLogin.UserName);
            if (Login.UserPassword == userLogin.UserPassword)
            {
                Session["UserLogin"] = Login;

                User user = userBusinessLayer.GetUser(Login.UserId);
                Role role = roleBusinessLayer.Roles.Single(rle => rle.RoleId == user.RoleId);
                Session["Role"] = role;

                HttpCookie cookie = new HttpCookie("UserLogin");
                cookie["LoginId"] = Convert.ToString(Login.UserId);
                cookie["RoleId"] = Convert.ToString(role.RoleId);
                Response.Cookies.Add(cookie);
                return RedirectToAction("Success", "Login");
            }
            else
            {
                return View();
            }
        }
        return View();
    }