symfony2: setting the value of a form field outside the form, inside a controller action
问题 I need to set the value of a symfony2 form element. I use a doctrine2 entity, a Symfony\Component\Form\AbstractType and the createForm() method inside my Controllers Action. $saleDataForm = $this->createForm(new SaleType(), $sale); Now, how do i get an element from that form, and how can i set it's value? I want to do something like this, but it doesn't work: $saleDataForm->get('image')->setValue('someimapge.jpg'); FYI: I need to do this to render the field correctly (using this approach, my