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POSymfony2 updating data with a form
 

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    <p>I am trying to update the data in my database but unfortunately Symfony keeps creating new data for me. I have the following controller:</p> <pre><code>public function updateAction(Request $request,$id) { $em = $this-&gt;getDoctrine()-&gt;getManager(); $product = $em-&gt;getRepository('AcmeStoreBundle:Product')-&gt;find($id); if (!$product) { throw $this-&gt;createNotFoundException( 'No product found for id '.$id ); } $form = $this-&gt;createForm(new ProductType(), $product); if($request-&gt;isMethod('POST')) { $form-&gt;bind($request); if($form-&gt;isValid()) { $em-&gt;persist($product); $em-&gt;flush(); $this-&gt;get('session')-&gt;getFlashBag()-&gt;add('green', 'Product Updated!'); } else { //$this-&gt;get('logger')-&gt;info('This will be written in logs'); $this-&gt;get('session')-&gt;getFlashBag()-&gt;add('red', 'Update of Product Failed!'); } return $this-&gt;redirect($this-&gt;generateUrl('acme_store_product_all')); } return $this-&gt;render('AcmeStoreBundle:Default:update.html.twig',array( 'name' =&gt; $product-&gt;getName(), 'updateForm' =&gt; $form-&gt;createView(), )); } </code></pre> <p>I just wondering what I am doing wrong. I new to Symfony</p> <p><strong>EDIT</strong></p> <pre><code>// Acme/StoreBundle/Form/Type/ProductType.php namespace Acme\StoreBundle\Form\Type; use Acme\StoreBundle\Entity\Category; use Symfony\Component\Form\AbstractType; use Symfony\Component\Form\FormBuilderInterface; class ProductType extends AbstractType { public function buildForm(FormBuilderInterface $builder, array $options) { $builder-&gt;add('name'); $builder-&gt;add('price'); $builder-&gt;add('description'); $builder-&gt;add('category', 'entity',array('class' =&gt; 'AcmeStoreBundle:Category',)); } public function getName() { return 'name'; } } </code></pre>
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    1. CONot sure but what if instead of using `$request` as you do, you use `$this->getRequest()`? You don't need to send `$product->getName()` when you call `$this->render()`. (you object `$form` already knows about your object `$product`)
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    2. COYou will need to post `ProductType` to work out this problem. It's most likely wiping out the primary key (typically `id`).
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    3. COI have updated my question with `ProductType.php`
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