// PUT: api/Arac/5 public IHttpActionResult Put(int id, [FromBody] Musteri Musteri) { Musteri.MusteriID = id; if (MusteriBusiness.MusteriIdSec(id) == null) { return(NotFound()); } else if (ModelState.IsValid == false) { return(BadRequest()); } else { return(Ok(MusteriBusiness.MusteriGuncelle(Musteri))); } }