try
            {
               
                baglan.Open();
                komut.Connection = baglan;
                komut.CommandText = "SELECT * FROM ilce WHERE ilce_id=" + cbil.SelectedIndex;
                oku = komut.ExecuteReader();
                ilce.Items.Clear();
                while (oku.Read())
                {
                     listBox1.Items.Add(oku[1]);
                     
                }
                baglan.Close();
               
               
            }
            catch (Exception ex)
            {

                MessageBox.Show(ex.Message);
            }