public ActionResult Create(SportComplex sportcomplex)
 {
     if (ModelState.IsValid) {
         sportcomplexRepository.InsertOrUpdate(sportcomplex);
         sportcomplexRepository.Save();
         return RedirectToAction("Index");
     } else {
         ViewBag.PossibleOwners = ownerprofileRepository.All;
         return View();
     }
 }
 public void InsertOrUpdate(SportComplex sportcomplex)
 {
     if (sportcomplex.SportComplexId == default(int)) {
         // New entity
         context.SportComplexes.Add(sportcomplex);
     } else {
         // Existing entity
         context.Entry(sportcomplex).State = EntityState.Modified;
     }
 }