static function columnNameToLabel($columnname)
    {
        $retstring = str_replace("_", " ", $columnname);
        if (!function_exists("mb_strtolower")) {
            $retstring = ucwords(strtolower($retstring));
        } else {
            $retstring = ucwords(mb_strtolower($retstring, ReporticoLocale::outputCharsetToPhpCharset(ReporticoApp::getConfig("output_encoding"))));
        }

        return $retstring;
    }