               <p:column title="ID" sortBy="#{row.bill.id}" filterBy="#{row.bill.id}" filterMatchMode="contains">
                            <h:outputLabel value="#{row.bill.id}"></h:outputLabel>
                        </p:column>
                        
                        <p:column title="Bill No" sortBy="#{row.bill.insId}" filterBy="#{row.bill.insId}" filterMatchMode="contains">
                            <h:outputLabel value="#{row.bill.insId}"></h:outputLabel>
                        </p:column