private function loadRow($table, $rowId, $dataContainer)
    {
        $dataContainer->activeRecord = $this->Database
            ->prepare(sprintf('SELECT * FROM %s WHERE id=?', $table))
            ->limit(1)
            ->execute($rowId);

        if ($dataContainer->activeRecord->numRows != 1) {
            throw new \RuntimeException('Selected entry does not exists');
        }
    }