// GET: Pais/Details/5
        public ActionResult Details(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            var pai = _paisService.GetPai((int)id);

            if (pai == null)
            {
                return(HttpNotFound());
            }
            return(View(pai));
        }