private List<Oeuvre> loadOeuvres() {
        List<Oeuvre> lu = new ArrayList<Oeuvre>();
        try {
//            String req = "SELECT * FROM oeuvre";
            String req = "SELECT * FROM OEUVRE";
            Statement statement = DB.getConnexion().createStatement();
            ResultSet rs = statement.executeQuery(req);

            while (rs.next()) {
                Oeuvre u = new Oeuvre(Integer.parseInt(rs.getString("ID_OEUVRE")), rs.getString("NOM"), rs.getString("AUTEUR"));
                lu.add(u);
            }
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(Usager.class.getName()).log(Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            Logger.getLogger(Usager.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            Logger.getLogger(Usager.class.getName()).log(Level.SEVERE, null, ex);
        } catch (SQLException ex) {
            Logger.getLogger(Usager.class.getName()).log(Level.SEVERE, null, ex);
        }
        return lu;
    }