private function createEditForm(Customer $oCustomer)
        {

            $oForm = $this->createForm(new CustomerType(array("language" => $this->get('request')->getLocale())), $oCustomer, array(
                'action' => $this->generateUrl('backend_system_customer_update', array('id' => $oCustomer->getId())),
                'method' => 'PUT',
            ));

            $oForm->add('submit', 'submit', array('label' => 'Update'));

            return $oForm;
        }