Andy, when you say "ValueBinding" and "Binding" do you mean the
binding attribute or the value attribute?
On 1/27/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
>
>
> Perhaps I haven't described my problem exactly so that it's
> unterstandable...
>
> My problem is the following:
> If I add a Binding attribute to a inputText component, I can't update the
> value of this Textfield by an ValueChangeEvent of another InputText
> Component.(if the Page is new loaded, the inputTextfield is still empty=
>
> If I try to set the value with the appropriate setter method, just nothing
> happens. The inputtext field stays empty and the value isn't updated.
>
> When I remove the Binding attribute then everything works... (But I need the
> binding)
>
> Do I have to set the value in another way?
>
> Regards,
> Andy
>
>
> -----Ursprüngliche Nachricht-----
> Von: Mitter Andreas, ISX
> Gesendet: Donnerstag, 26. Januar 2006 14:10
> An: MyFaces (E-Mail)
> Betreff: Problems with ValueChangeEvent and ValueBinding
>
>
> Hi all!
>
> In my application I have a inputText Component with a ValueChangeEvent.
> The ValueChangeMethod starts a Database query and if some data is found,
> then the founded records are written into other inputText Components on the
> mask.
>
> The problem now is, that if I add a ValueBinding attribute to this other
> inputText fields, the new data from the query isn't written into the fields.
> If I remove the Valuebinding everything works...
>
> How can I overcome this problem?
>
> Here my jsp with two InputText Fields
> <t:htmlTag value="td" rendered="#{showTags.showLfnr}">
> <h:inputText binding="#{beziehungsDto.ITlfnr}" id="lfnr"
> value="#{beziehungsDto.lfnr}" styleClass="mustfield"
> required="true"
> size="35" rendered="#{showTags.showLfnr}" immediate="true"
> valueChangeListener="#{querySelectHelper.selectSamData}"
> onchange="submit()">
> <f:validateLength maximum="35"></f:validateLength>
> </h:inputText>
> </t:htmlTag>
>
> In this second field some data should be written. If I remove the binding
> attribute, it works, if I leave it, the field isn't updated...
>
> <t:htmlTag value="td">
> <h:inputText binding="#{beziehungsDto.ITpartnername}"
> id="partnernameneu" value="#{beziehungsDto.namepartner}"
> styleClass="mustfield" required="true" size="35">
> <f:validateLength maximum="35"></f:validateLength>
> </h:inputText>
> </t:htmlTag>
>
>
> Here is the ValueChangeMethod:
>
> public void selectSamData(ValueChangeEvent event)
> {
> beziehungsDto =
> (BeziehungDto)FacesUtil.getManagedBean("beziehungsDto");
> qh =
> (QueryHelper)FacesUtil.getManagedBean("queryHelper");
> Session session = HibernateSAMUtil.currentSession();
> Transaction tx = null;
> try {
> tx = session.beginTransaction();
> String sqlstring = "Select a.firmNr, a.firmNamKurz,
> a.bdtKndNr," +
> " a.lfvUebArt, a.sfDunsNr from
> Eklist a where a.firmNr=:liefnr";
>
> Query q =session.createQuery(sqlstring);
>
> q.setString("liefnr", (String)event.getNewValue());
>
> Iterator it = q.list().iterator();
> while(it.hasNext())
> {
> Object[] row = (Object[])it.next();
>
>
> //beziehungsDto.setNamepartner((String)row[1]);
>
> beziehungsDto.getITpartnername().setValue((String)row[1]);
>
> beziehungsDto.setNamepartner((String)row[1]);
> ...
>
> }
>
> }
>
> String viewId = "/popupAddBeziehung.jsp";
> FacesContext context =
> FacesContext.getCurrentInstance();
> UIViewRoot view =
> context.getApplication().getViewHandler()
> .createView(context, viewId);
> view.setViewId(viewId);
> context.setViewRoot(view);
> context.renderResponse();
>
> tx.commit();
> }
> catch (Exception ex) {
> if (tx != null)
> tx.rollback();
>
> MessageUtils.addMessage(FacesMessage.SEVERITY_WARN,
> "errorListDataForAdminDB", null,
> context);// TODO
> ex.printStackTrace();
> }
> finally {
> HibernateSAMUtil.closeSession();
> }
>
>
> }
>
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