      <p:commandButton ajax="false" value="Print" class="ui-button-info mx-2" icon="fas fa-print" >
                            <p:printer target="panelPrint" />
                        </p:commandButton>

                        <p:commandButton value="Excel" ajax="false" class="ui-button-success" icon="fas fa-file-excel" >
                            <p:dataExporter type="xlsx" target="opd" fileName="Service_Summery_By_Category"  />
                        </p:commandButton>
                    </h:panelG