PageList page = null;
if(keys==null) {
page = gatewayService.findBrandPage(pagenum, Constants.BRAND_LIST_SIZE);
} else {
page = gatewayService.findBrandPage(pagenum, Constants.BRAND_LIST_SIZE, searchType, keys);
}
if(page!=null&&page.getDataList().size()>0) {
root.put("page", page);
root.put("Update_Brand_Url", Constants.UPDATE_BRAND_URL);