private void btn_validate_Click(object sender, EventArgs e) { DialogResult dialog = MessageBox.Show("Tem a certeza que pretende validar?", "", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (dialog == DialogResult.Yes) { _serv.UpdateValidStatus(_id, !_isValid); MessageBox.Show("Validado com sucesso.", "", MessageBoxButtons.OK, MessageBoxIcon.Information); } Close(); }