protected function getDataForPresenter($dataKey, $viewIndex = false)
    {
        if (!isset($this->currentRow[$dataKey])) {
            return $this->model->getBoundValue($dataKey, $viewIndex);
        }

        $value = $this->currentRow[$dataKey];

        if ($value instanceof Model) {
            return $value->UniqueIdentifier;
        }

        return $value;
    }