get selected id from drop down list in symfony

i have this code in a base class:

PHP Code:

---

abstract class BaseLpmServiceForm extends BaseFormPropel
{
  public function setup()
  {
    $this->setWidgets(array(
      'id'                   => new sfWidgetFormInputHidden(),
      'name'                 => new sfWidgetFormInputText(),
      'wap_home'             => new sfWidgetFormInputText(),
      'call_center_number'   => new sfWidgetFormInputText(),
      'catcher_id'           => new sfWidgetFormPropelChoice(array('model' => 'LpmCatcher', 'add_empty' => false)),
      'price_description'    => new sfWidgetFormInputText(),
      'logo'                 => new sfWidgetFormInputText(),
      'invalid_msisdn_text'  => new sfWidgetFormInputText(),
      'terms_and_conditions' => new sfWidgetFormInputText(),
      'service_code'         => new sfWidgetFormInputText(),
    )); 


---

then i have this code in a form:

PHP Code:

---

<tr>
        <th><?php echo $form['catcher_id']->renderLabel() ?></th>
        <td>
          <?php echo $form['catcher_id']->renderError() ?>
          <?php echo $form['catcher_id']?> //generates the drop down list
          <?php 
              //$catcher_id = $form['catcher_id'];     
              //$catcher_id = $form->getObject()->getCatcherId();
              $catcher_name = LpmCatcherPeer::retrieveByPK($form['catcher_id']->getValue('name'));
              echo $catcher_name."  ".$catcher_id;
              
              if ($catcher_name = "zed-catcher")
              {
                  echo $form['service_code']->renderLabel();
                  echo $form['service_code']->renderError();
                  echo $form['service_code'];
                  
              }
           
          ?>
        </td> 
      </tr>

---

how can i get the selected value id??? as it is above is not working the catcher_name and catcher_id does not change if i select a different value

thanks

That's not enough relevant code to diagnose your problem. What does the outputted <select> look like?