public PageIterator getDatas(String queryParam, String sqlqueryAllCount, String sqlquery, int start, int count) {
        if (UtilValidate.isEmail(sqlqueryAllCount)){
            logger.error(" the parameter sqlqueryAllCount is null");
            return new PageIterator();
        }
        if (UtilValidate.isEmail(sqlquery)){
            logger.error(" the parameter sqlquery is null");
            return new PageIterator();
        }
        
        Collection queryParams = new ArrayList();
        if (!UtilValidate.isEmpty(queryParam))
           queryParams.add(queryParam);
        return getPageIterator(sqlqueryAllCount, sqlquery, queryParams, start, count);

    }