use null instead empty string
use null instead empty string

dana2208/react-bootstrap-table,prajapati-parth/react-bootstrap-table,opensourcegeek/react-bootstrap-table,pvoznyuk/react-bootstrap-table,pvoznyuk/react-bootstrap-table,powerhome/react-bootstrap-table,rolandsusans/react-bootstrap-table,opensourcegeek/react-bootstrap-table,AllenFang/react-bootstrap-table,dana2208/react-bootstrap-table,neelvadgama-hailo/react-bootstrap-table,neelvadgama-hailo/react-bootstrap-table