public function bind(array $taintedValues = null, array $taintedFiles = null)
 {
     if (isset($this->hasPager) && $this->hasPager) {
         if (!isset($taintedValues['rec_per_page'])) {
             $taintedValues['rec_per_page'] = $this['rec_per_page']->getValue();
         }
     }
     parent::bind($taintedValues, $taintedFiles);
 }