Prado\Web\UI\ActiveControls\TInPlaceTextBox::getExternalControlID PHP Метод

    protected function getExternalControlID()
    {
        $extID = $this->getEditTriggerControlID();
        if ($extID === null) {
            return '';
        }
        if (($control = $this->findControl($extID)) !== null) {
            return $control->getClientID();
        }
        return $extID;
    }