public FormulaireTicket(decimal prix, PayementCommande p, int id, GestionCommande g)
{
InitializeComponent();
this.prix = prix;
this.p = p;
this.com = id;
this.g = g;
}
private void Paiement_Click(object sender, RoutedEventArgs e)
{
Commande cm1 = (Commande)dataGrid.SelectedValue;
int id = cm1.IdCommande;
int index = dataGrid.SelectedIndex;
Layouts.PayementCommande payment = new Layouts.PayementCommande(id, index, this);
payment.ShowDialog();
}