顯示基於Symfony 2.1中另一個選擇框的選擇框的內容

How to use select box related on another select box?的答案幫助我開始了，如果將第一個選擇框的ID硬編碼到第二個選擇框中，我的代碼就可以工作。但是，如果我嘗試使用實際的形式價值，我得到一個顯示基於Symfony 2.1中另一個選擇框的選擇框的內容

注意：未定義指數：my_group

這裏是下拉框我想要的代碼，以顯示基於一組選擇下拉框：

$builder->add('subscriptiontype', 'entity', 
     array(
      'label' => 'profile.edit.my_subscription_type', 
      'translation_domain' => 'FOSUserBundle', 
      'empty_value' => 'Select subscription type', 
      'property' => 'subscription_title', 
      'class' => 'SDMarketplaceBundle:SubscriptionType', 
      'multiple' => false, 
      'attr' => array('onchange' => '', 'class' => ''), 
      'query_builder' => function($repository) use ($options){ 
       return $repository 
        ->createQueryBuilder('j') 
         ->where('j.isActive = :active AND j.valid_until > :timenow AND j.group = :group_id') 
         ->setParameter('active', 1) 
         ->setParameter('timenow', new \DateTime('now')) 
         ->setParameter('group_id', $options['my_group']) 
        ->orderBy('j.subscription_title', 'ASC'); 
        } 
     ) 
    );

如果我改變$選項[「my_group」]到實際的數字是該組的ID，它會顯示正確。下面是HTML代碼輸出時，我居然把一個ID代替$選項[「my_group」]：

<select id="fos_user_profile_form_my_group" name="fos_user_profile_form[my_group]" required="required"><option value="">Select group</option><option value="5">administrator</option><option value="2" selected="selected">instructor</option><option value="3">proofreader</option><option value="1">student</option><option value="4">translator</option></select>

對我在做什麼錯誤或遺漏任何幫助嗎？

----道歉我非常遲來的迴應，因爲我沒有看到您的帖子（不過謝謝你。）這是我的的showAction控制器代碼：

public function showAction() 
    { 
     $user = $this->container->get('security.context')->getToken()->getUser(); 
     if (!is_object($user) || !$user instanceof UserInterface) { 
      throw new AccessDeniedException('This user does not have access to this section.'); 
     } 

     $myGroup = $this->getEntityManager()->getRepository('SDMarketplaceBundle:Groups')->findOneBy(array('id' => $user->getMyGroup())); //retrieve the group selected by this user 
     $subscriptiontype = $this->getEntityManager()->getRepository('SDMarketplaceBundle:Subscriptiontype')->findOneBy(array('id' => $user->getSubscriptiontype())); //retrieve the subscription type title for this user 
     $accounttype = $this->getEntityManager()->getRepository('SDMarketplaceBundle:AccountType')->findOneBy(array('id' => $user->getMyAccountType())); //retrieve the account type name for this user 
     return $this->container->get('templating')->renderResponse('FOSUserBundle:Profile:show.html.'.$this->container->getParameter('fos_user.template.engine'), 
     array(
      'user' => $user, 
      'myGroup' => $myGroup, 
      'subscriptiontype' => $subscriptiontype->getSubscriptionTitle(), 
      'accounttype' => $accounttype->getAccountName(), 
      'statusCode' => $user->getStatusName($user->getStatusCode()) 
     )); 
    }

來源

2012-10-24 user1653733

爲什麼'my_group'存儲在$ options？在'buildForm（）'$ options存儲你的表單類型的選項。在控制器中創建它時，您可以將選定的組注入到表單中。你能發佈你的控制器代碼嗎？ – tamir

顯示基於Symfony 2.1中另一個選擇框的選擇框的內容

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