public ActionResult KayitFormu(int?id)
        {
            FIRSAT firsat = new FIRSAT();

            if (id != null)
            {
                firsat = db.FIRSATs.Find(id);
                if (firsat == null)
                {
                    firsat = new FIRSAT();
                }
            }
            var mekan = db.MEKANs.ToList();

            ViewData["mekan"] = mekan;

            return(View(firsat));
        }
        public ActionResult KayitFormu(FIRSAT firsat)
        {
            if (ModelState.IsValid)
            {
                if (firsat.FIRSAT_ID == 0)
                {
                    db.FIRSATs.Add(firsat);
                }
                else
                {
                    db.Entry(firsat).State = System.Data.Entity.EntityState.Modified;
                }
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }
            else
            {
                var mekan = db.MEKANs.ToList();
                ViewData["mekan"] = mekan;

                return(View(firsat));
            }
        }