                     </p:row>  

                            </p:columnGroup>  

                        </p:dataTable>

                        <p:spacer height="30"/>


                        <p:dataTable id="refunded"  value="#{commonReport.purchaseReturn.bills}" var="b" 
                                     rendered="#{commonReport.purchaseReturn.bills.size()!=0}" 
                                     sortBy="#{b.billType}"  >

                            <f:facet name="header">  
                     