Thanks for your answer Pete, I put h:messages component. If a city is selected, the error is "value is not valid" when I submit the form, but I don't know why. Is that possible: inject the client's address with the selected city? Thanks. Here is the complete code of the page: | <?xml version='1.0' encoding='ISO-8859-1'?> | <!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" | "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | | <rich:panel xmlns="http://www.w3.org/1999/xhtml" | xmlns:s="http://jboss.com/products/seam/taglib" | xmlns:ui="http://java.sun.com/jsf/facelets" | xmlns:f="http://java.sun.com/jsf/core" | xmlns:h="http://java.sun.com/jsf/html" | xmlns:a="https://ajax4jsf.dev.java.net/ajax" | xmlns:rich="http://richfaces.ajax4jsf.org/rich"> | | <h:messages></h:messages> | <h:form> | <h:panelGrid columns="2"> | <h:outputText value="Name:"></h:outputText> | <h:inputText value="#{client.name}"></h:inputText> | <h:outputText value="Street:"></h:outputText> | <h:inputText value="#{client.address.street}"></h:inputText> | | <h:outputText value="State:"></h:outputText> | | <h:selectOneMenu value="#{state}" id="state" | valueChangeListener="#{insertClient.updateCities}"> | <s:selectItems value="#{insertClient.states}" var="state" | label="#{state.name}" noSelectionLabel="Please Select..." /> | <a:support event="onchange" reRender="city"></a:support> | <s:convertEntity /> | </h:selectOneMenu> | | <h:outputText value="City:"></h:outputText> | <h:selectOneMenu value="#{client.address.city}" id="city"> | <s:selectItems value="#{insertClient.cities}" var="city" | label="#{city.name}" noSelectionLabel="Please Select..." /> | <s:convertEntity /> | </h:selectOneMenu> | | <h:commandButton action="#{insertClient.saveClient}" value="ok h:"></h:commandButton> | <s:button action="#{insertClient.saveClient}" value="ok s:"></s:button> | | </h:panelGrid> | </h:form> | | </rich:panel> | | View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4072971#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...