private void button1_Click(object sender, EventArgs e) { int arv = CountryDB.DeleteCity(Convert.ToInt32(((ComboBoxItem)comboBox1.SelectedItem).HiddenValue)); if (arv != 0) { MessageBox.Show("Oli delete " + arv + " rida", "Valmis", MessageBoxButtons.OK, MessageBoxIcon.Information); this.Close(); } else { MessageBox.Show("Delete ebaõnnestus", "Viga", MessageBoxButtons.OK, MessageBoxIcon.Error); } }