private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
        // TODO add your handling code here:
        MostrarFactura mf = new MostrarFactura(); //Manda a llamar la ventana de Mostrar
        mf.setVisible(true);
        mf.pack();

    }//GEN-LAST:event_jButton2ActionPerformed