public ActionResult Create(AlertaIncidente alerta)
        {
            if (ModelState.IsValid)
            {
                db.AlertasIncidente.Add(alerta);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(alerta);
        }
        public ActionResult Edit(AlertaIncidente alerta)
        {
            if (ModelState.IsValid)
            {
                db.AlertasIncidente.Attach(alerta);
                db.Entry(alerta).State = EntityState.Modified;

                return RedirectToAction("Index");
            }

            return View(alerta);
        }