public function indexAction()
 {
     $categories = new Categories();
     $categories->setName('Computer Peripherals');
     $product = new Product();
     $product->setName('Keyboard');
     $product->setPrice(19.99);
     $product->setDescription('Ergonomic and stylish!');
     $product->setCategory($categories);
     $em = $this->getDoctrine()->getManager();
     $em->persist($categories);
     $em->persist($product);
     $em->flush();
     return new Response('<html><head></head><body>Test</body></html>');
 }
 /**
  * Creates a form to delete a Categories entity.
  *
  * @param Categories $category The Categories entity
  *
  * @return \Symfony\Component\Form\Form The form
  */
 private function createDeleteForm(Categories $category)
 {
     return $this->createFormBuilder()->setAction($this->generateUrl('categories_delete', array('id' => $category->getId())))->setMethod('DELETE')->getForm();
 }