                                  <p:column headerText="Billed At"  >
                                        <h:outputLabel value="#{row.billCreatedAt}" >
                                            <f:convertDateTime  timeZone="Asia/Colombo" pattern="#{sessionController.applicationPreference.longDateTimeFormat}" />
                                        </h:outputLabel>
                                    </p:column>

                                    <p:column headerText="Bill Type">
                 