Historique de la page

<h:panelGrid id="panelFormAddUser" binding="#{welcomeController.panelUserForm}" columns="1" rendered="true">
	 <h:form id="formshowAddUser" rendered="true">
                <p:commandButton value="Afficher formulaire" update="@form,panelFormAddUser,growl"
	               action="#{welcomeController.toogleFormNewUser}" >
	        </p:commandButton>
        </h:form>
        <h:form id="formAddUser" rendered="false">
	[...]
	</h:form>

        <h:form id="formhideAddUser" rendered="false">
	        <p:commandButton value="Masquer formulaire" update="panelFormAddUser,growl"
			action="#{welcomeController.toogleFormNewUser}" >
		</p:commandButton>
	</h:form>
</h:panelGrid>