private void button1_Click(object sender, EventArgs e)
{
try
{
string idMonitor = (string)listMonitor.Items[listMonitor.SelectedIndex];
int idAct = Int32.Parse((string)listActs.Items[listActs.SelectedIndex]);
service.AssignInstructorToActivity(idAct, idMonitor);
monitorAfegit.Text = "Monitor Afegit";
}
catch (Exception error) { MessageBox.Show("No s'ha selecionat l'activitat o el monitor", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); }
}