Tank you . I use tomee so for use jstl i have to add the jars of jstl to web-inf/lib ? Il giorno 20/feb/2014 18.42, "Mike Kienenberger [via MyFaces]" < ml-node+s10567n117243...@n7.nabble.com> ha scritto:
> Calling arbitrary methods like size() isn't supported in EL 2.1, > although I think it might be in EL 2.2. > > Here's the way to do it that will work in any version of JSF. > > xmlns:jstl="http://java.sun.com/jsp/jstl/functions"; > > [...] > <h:outputText > value="#{jstl:length(item.professors)} tot > projects"/> > > > > On Thu, Feb 20, 2014 at 11:21 AM, maurojava <[hidden > email]<http://user/SendEmail.jtp?type=node&node=117243&i=0>> > wrote: > > > From the projectController , i have a method: getCollectionProject that > > return a List<Project> . > > Each project contains a list of Professor . > > SO into the last line i would show the amount of professors for the > project > > . > > > > The var item rappresent a project. > > project contains a List<Professor> > > i write "#{item.professors.size()}" for get the amount of professors > for > > the project valutated form each iteration . > > > > > > Whi into the last outputText : > > <h:outputText value="#{item.professors.size()} tot projects"/> > > > > it shows only the words tot projects and not show the value of listSize? > > > > > > -------------------------------- > > > > <h:form> > > > > <h:outputText value="List"/> > > <h:dataTable > value="#{projectController.collectionProject}" > > var="item"> > > <h:column> > > <f:facet name="header"> > > <h:outputText value="Id"/> > > </f:facet> > > <h:outputText value="#{item.id}"/> > > </h:column> > > <h:column> > > <f:facet name="header"> > > <h:outputText value="name of project"/> > > </f:facet> > > <h:outputText value="#{item.name}"/> > > </h:column> > > > > <h:column> > > <f:facet name="header"> > > <h:outputText value="numbers of > professors"/> > > </f:facet> > > <h:outputText value="#{item.professors.size()} > tot > > projects"/> > > </h:column> > > > > > > </h:dataTable> > > </h:form> > > > > > > > > -- > > View this message in context: > http://myfaces.10567.n7.nabble.com/problem-wit-hvisualize-a-size-of-colletion-into-a-datatable-tp117242.html > > Sent from the MyFaces - Users mailing list archive at Nabble.com. > > > ------------------------------ > If you reply to this email, your message will be added to the discussion > below: > > http://myfaces.10567.n7.nabble.com/problem-wit-hvisualize-a-size-of-colletion-into-a-datatable-tp117242p117243.html > To unsubscribe from problem wit hvisualize a size of colletion into a > datatable, click > here<http://myfaces.10567.n7.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=117242&code=bWF1cm8yamF2YTIwMTFAZ21haWwuY29tfDExNzI0MnwtMTExNzE4NzYyNQ==> > . > NAML<http://myfaces.10567.n7.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> > -- View this message in context: http://myfaces.10567.n7.nabble.com/problem-wit-hvisualize-a-size-of-colletion-into-a-datatable-tp117242p117244.html Sent from the MyFaces - Users mailing list archive at Nabble.com.
