public ActionResult Evento(int?id = null)
        {
            if (!this.currentUser())
            {
                return(RedirectToAction("Ingresar"));
            }
            AgendaBL contextBL = new AgendaBL();

            var objSent = TempData["objSent"];

            if (objSent != null)
            {
                TempData["objSent"] = null; return(View(objSent));
            }
            if (id != null)
            {
                return(View(contextBL.getAgenda((int)id)));
            }
            return(View());
        }