// GET: Musteris/Edit/5
        public async Task <IActionResult> Edit(int?id)
        {
            var model = new MusteriEditDto
            {
                Iller = (await _IlServis.GetSelectListAsync())
            };

            if (id == null)
            {
                return(View(model));
            }
            else
            {
                model.Musteri = await _MusteriServis.GetByIdAsync(id.Value);

                if (model.Musteri.Ilce != null)
                {
                    model.Musteri.Ilce = await _IlceServis.GetByIdAsync(model.Musteri.IlceId.Value);

                    model.Ilceler = await _IlceServis.GetSelectListAsync(i => i.IlId == model.Musteri.Ilce.IlId && i.Aktif);
                }


                if (model == null)
                {
                    return(NotFound());
                }

                return(View(model));
            }
        }
        public async Task <IActionResult> Edit(int?id, MusteriEditDto musteriEditdto)
        {
            ModelState.Remove("Musteri.Ilce.Id");
            ModelState.Remove("Musteri.Ilce.IlId");
            ModelState.Remove("Musteri.Ilce.Adi");
            if (ModelState.IsValid)
            {
                try
                {
                    musteriEditdto.Musteri.GuncelleyenId    = 1;
                    musteriEditdto.Musteri.GuncellemeZamani = DateTime.Now;
                    musteriEditdto.Musteri.Aktif            = true;

                    if (id == null || id == 0)
                    {
                        musteriEditdto.Musteri.EkleyenId    = 1;
                        musteriEditdto.Musteri.EklemeZamani = DateTime.Now;

                        await _MusteriServis.AddAsync(musteriEditdto.Musteri, _loginHelper.UserHelper);
                    }
                    else
                    {
                        if (id != musteriEditdto.Musteri.Id)
                        {
                            return(NotFound());
                        }
                        await _MusteriServis.UpdateAsync(musteriEditdto.Musteri, _loginHelper.UserHelper);
                    }
                }
                catch (DbUpdateConcurrencyException)
                {
                    if (!await MusteriExistsAsync(musteriEditdto.Musteri.Id))
                    {
                        return(NotFound());
                    }
                    else
                    {
                        throw;
                    }
                }
                return(RedirectToAction(nameof(Index)));
            }
            var errors = ModelState.Values.SelectMany(v => v.Errors);

            return(View(musteriEditdto));
        }