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();
}

cookie.Expires = DateTime.Now.AddDays(-1);