private void ukategori_SelectedIndexChanged(object sender, EventArgs e) { try { akategori.Items.Clear(); string Unvan = ukategori.SelectedItem.ToString(); string[] Altu = sorgu.SelectAuCbox(Unvan); for (int i = 0; i < Altu.Length; i++) { akategori.Items.Add(Altu[i]); } } catch (Exception g) { MessageBox.Show(g.ToString(), "Hata Kod:14", MessageBoxButtons.OK, MessageBoxIcon.Error); } }