 <p:column headerText="Expiry">
                                                    <h:outputLabel value="#{i.itemBatch.dateOfExpire}" >
                                                        <f:convertDateTime pattern="#{sessionController.applicationPreference.longDateFormat}" ></f:convertDateTime>
                                                    </h:outputLabel>
                                                </p:column>
                                                <p:ajax event="focus" process="ac