private void lstClientMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_lstClientMouseClicked
        // TODO add your handling code here:
        completerClient(lstClient.getSelectedIndex());
        lst = new DefaultListModel();
        lstCommande.setModel(lst);
        for (Commande c : lesCommandes) {
            if (lesClient.get(lstClient.getSelectedIndex()).getId_client() == c.getId_client()) {
                lst.addElement(c.getRef_dossier());
            }
        }
    }//GEN-LAST:event_lstClientMouseClicked