" update="txtRate txtVal" ></p:ajax>
                                                <p:ajax event="blur"  listener="#{storeIssueController.calculateBillItemListner}" process="acStock txtQty :#{p:resolveFirstComponentWithId('acDept',view).clientId}" update="txtRate txtVal" ></p:ajax>
                                            </p:inputText>
                                        </h:panelGrid>
                                        <h:panelGrid columns="1" >
                                            <p