private void SaveEtudiantBtn_Click(object sender, EventArgs e)
{
Stagiaire s = new Stagiaire(CNETxBx.Text, NomTxBx.Text, PrenomTxBx.Text);
int idx = FiliereCbBx.SelectedIndex;
FiliereTreeView.Nodes[idx].Nodes.Add(s.Nom);
lf.Filieres[idx].Stagiaires.Add(s);
CNETxBx.Clear();
NomTxBx.Clear();
PrenomTxBx.Clear();
}
// the class to be public so that the prog can see it, even within the same namespace
//public Stagiaire SearchStagiaire(int n)
//{
// foreach (Stagiaire s in lstgs)
// if (s.Num.Equals(n))
// return s;
// return null;
//}
public void Reset()
{
NumTxBx.Clear();
NomTxBx.Clear();
PrenomTxBx.Clear();
}