public ActionResult DeleteConfirmed(string id)
        {
            SertificatesView sertificatesView = db.SertificatesView.Find(id);

            db.SertificatesView.Remove(sertificatesView);
            db.SaveChanges();
            return(RedirectToAction("Index"));
        }
        // GET: Sertificates/Details/5
        public ActionResult Details(string id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            SertificatesView sertificatesView = db.SertificatesView.Find(id);

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