                    execute="@this price" 
                                                listener="#{purchaseOrderRequestController.onEdit(bi)}" ></f:ajax>
                                        </p:inputText>
                                    </p:column> 

                                    <p:column 
                                        width="5em"
                                        headerText="Free Qty"
                                        class="text-end px-1"
                          