private void fillEnterNote() { List <EDERSLER> dersler = new List <EDERSLER>(); dersler = BDERSLER.SelectList(); comboBox15.DataSource = dersler; comboBox15.DisplayMember = "DERS1"; comboBox15.ValueMember = "ID1"; List <EOGRENCI> ogrenciler = new List <EOGRENCI>(); ogrenciler = BOGRENCI.SelectList(); comboBox16.DataSource = ogrenciler; comboBox16.DisplayMember = "ADSOYAD1"; comboBox16.ValueMember = "ID1"; }