private void metroButton2_Click(object sender, EventArgs e) { DialogResult x = MessageBox.Show("Vouliez vraiment supprimer", "Suppression", MessageBoxButtons.OKCancel, MessageBoxIcon.Question); if (x == DialogResult.OK) { Boolean is_deleted_ok = Class_Database_app.delete_a_user(metroTextBox_account_to_delete.Text); if (is_deleted_ok) { MessageBox.Show("deleted"); afficher_combo_users(); metroTextBox_account_to_delete.Text = ""; } else { MessageBox.Show("procedure delete annuler"); } //code to delete user here } else { MessageBox.Show("Le procedure à ete annuler", "Annulation", MessageBoxButtons.OK, MessageBoxIcon.Information); } }