/**
  * Adds a data edit control to the aggregated edit controls
  *
  * @param DataEditControl $o_control
  */
 public function AddControl($o_control)
 {
     if (!$o_control instanceof DataEditControl) {
         return;
     }
     $o_control->SetNamingPrefix($o_control->GetDataObjectClass() . $o_control->GetDataObject()->GetId());
     $o_control->SetShowValidationErrors(false);
     $this->a_controls_to_render[] = $o_control;
 }