public Kullanici KullaniciAnahtarSec(string Anahtar) { try { Kullanici responseEntitiy = null; using (var repo = new KullaniciRepository()) { responseEntitiy = repo.KeySec(Anahtar); } return(responseEntitiy); } catch (Exception ex) { throw new Exception("KullaniciBusiness:KullaniciRepository:Key Seçme Hatası", ex); } }