@Override
    public void actionPerformed(ActionEvent ae) {
        try {
            String op = ae.getActionCommand();
            
            switch(op){
                case "Salvar":
                    execSalvarCrlv();
                    break;
                    
                case "Salvar Alterações":
                    execSalvarAlteracoesCrlv();
                    break;
            }
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(ControllerCrlv.class.getName()).log(Level.SEVERE, null, ex);
        } catch (SQLException ex) {
            Logger.getLogger(ControllerCrlv.class.getName()).log(Level.SEVERE, null, ex);
        }
       
    }