I have primefaces form
<h:form id="profileGridForm">
<h:panelGroup>
                        <p:inplace id="myid" editor="#{bean.changeLangEnabled}">
                            <h:selectOneMenu value="#{bean.changedBillingLanguage}">
                                ...
                            </h:selectOneMenu>
                        </p:inplace>
                    </h:panelGroup>
<h:panelGroup>
                        <p:commandButton value="Model" update="modelForm" action="#{modelBean.clear}" ajax="true"
                                         oncomplete="PF('showModel').show()"/>
                    </h:panelGroup>
</h:form>
When I press Model button call ChangedBillingLanguage method. How can I not send form when press button inside form?
