It is in Le 20 févr. 2014 20:04, "Mike Kienenberger" <[email protected]> a écrit :
> A J2EE container should already provide jars with this functionality. > > > http://en.wikipedia.org/wiki/Java_EE_version_history#Java_EE_6_.28December_10.2C_2009.29 > > I'm not sure about tomee. Probably better to ask that question on the > Tomee mailing list. > > > On Thu, Feb 20, 2014 at 1:37 PM, maurojava <[email protected]> > wrote: > > 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]" < > > [email protected]> 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. >

