I am begginer please lettle explain
On Thu, Feb 17, 2011 at 3:56 PM, Martin Grigorov <mgrigo...@apache.org>wrote:
> public void onEvent() {
>
> Object obj = service.getObject();
> OtherPage otherPage = new OtherPage(obj);
> setResponsePage(otherPage);
> }
>
> On Thu, Feb 17, 2011 at 12:51 PM, Jehan <jeeha...@gmail.com> wrote:
>
> > I want to pass Object of a class to other page.
> >
> > On Thu, Feb 17, 2011 at 3:37 PM, Bas Gooren <b...@iswd.nl> wrote:
> >
> > > Jehan,
> > >
> > > It depends on the URL you want to show to the user. If you want a
> > > bookmarkable url, you'll need to use page parameters. If the url
> doesn't
> > > matter to you, you can simply pass in parameters to the constructor of
> > the
> > > other page, and then call setResponsePage( <page instance variable> ).
> > >
> > > Bas
> > >
> > > Op 17-2-2011 11:32, Jehan schreef:
> > >
> > > Thanks Bas Gooren,
> > >>
> > >> Passing values other pages using PageParameter is like Query String.
> > >>
> > >> What are other ways in wicket of passing values from one page to
> other.
> > >>
> > >> On Thu, Feb 17, 2011 at 3:08 PM, Ernesto Reinaldo Barreiro<
> > >> reier...@gmail.com> wrote:
> > >>
> > >> I think the problem is there is no model backing your text field.
> > >>> Maybe you might want to read [1]
> > >>>
> > >>> Ernesto
> > >>>
> > >>> 1-https://cwiki.apache.org/WICKET/working-with-wicket-models.html
> > >>>
> > >>> On Thu, Feb 17, 2011 at 10:56 AM, Jehan<jeeha...@gmail.com> wrote:
> > >>>
> > >>>> -------------------------------------HelloWorld.Html
> > >>>>
> > >>>> <form wicket:id="*myform"*>
> > >>>> <input type=*"text"* wicket:id=*"atext"* value=*"Default value"* />
> > >>>> <input type=*"submit"* wicket:id=*"okbutton"* value=*"OK"* />
> > >>>> </form>
> > >>>>
> > >>>> ---------------------------------------HelloWorld.java
> > >>>>
> > >>>> Following is code in constructor----------------------- HelloWorld(
> > >>>> PageParameters
> > >>>> pars)
> > >>>>
> > >>>> *Form* frm = *new* *Form("myform")
> > >>>> *
> > >>>>
> > >>>> { *protected* *void* onSubmit() { info("Form submitted"); } };
> > >>>>
> > >>>> txtName = *new* TextField<String>("atext");
> > >>>>
> > >>>> frm.add(txtName);
> > >>>>
> > >>>> Button okButton = *new* *Button("okbutton")
> > >>>> *
> > >>>>
> > >>>> {
> > >>>>
> > >>>> *public* *void* onSubmit() {
> > >>>>
> > >>>> pars.add("aname", txtName.getInput());
> > >>>>
> > >>>> setResponsePage(thetest.*class*,pars);
> > >>>>
> > >>>> }
> > >>>>
> > >>>> };
> > >>>>
> > >>>> frm.add(okButton);
> > >>>>
> > >>>> add(frm);
> > >>>>
> > >>>> ----------------------------
> > >>>>
> > >>>> when I click OK button I am getting following error
> > >>>>
> > >>>>
> > >>>> Unexpected RuntimeException
> > >>>>
> > >>>> WicketMessage: Method onFormSubmitted of interface
> > >>>> org.apache.wicket.markup.html.form.IFormSubmitListener targeted at
> > >>>> component [MarkupContainer [Component id = myform]] threw an
> exception
> > >>>>
> > >>>> Root cause:
> > >>>>
> > >>>> java.lang.IllegalStateException: Attempt to set model object on null
> > >>>> model of component: myform:atext
> > >>>> at
> > >>>>
> > >>>
> org.apache.wicket.Component.setDefaultModelObject(Component.java:3105)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.markup.html.form.FormComponent.updateModel(FormComponent.java:1168)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.markup.html.form.Form$FormModelUpdateVisitor.component(Form.java:229)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:514)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrderHelper(FormComponent.java:493)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.markup.html.form.FormComponent.visitComponentsPostOrder(FormComponent.java:465)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.markup.html.form.Form.internalUpdateFormComponentModels(Form.java:2110)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.markup.html.form.Form.updateFormComponentModels(Form.java:2078)
> > >>>
> > >>>> at
> org.apache.wicket.markup.html.form.Form.process(Form.java:1028)
> > >>>> at
> org.apache.wicket.markup.html.form.Form.process(Form.java:955)
> > >>>> at
> > >>>>
> > >>>
> org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:920)
> > >>>
> > >>>> at java.lang.reflect.Method.invoke(Method.java:597)
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:182)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents(ListenerInterfaceRequestTarget.java:73)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1250)
> > >>>
> > >>>> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1329)
> > >>>> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1436)
> > >>>> at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
> > >>>> at
> > >>>>
> > >>>
> > org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:486)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:319)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
> > >>>
> > >>>> at
> > >>>>
> > >>> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> > >>>
> > >>>> at org.mortbay.jetty.Server.handle(Server.java:326)
> > >>>> at
> > >>>>
> > >>>
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945)
> > >>>
> > >>>> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)
> > >>>> at
> > org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
> > >>>> at
> > org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> > >>>
> > >>>> Complete stack:
> > >>>>
> > >>>> org.apache.wicket.WicketRuntimeException: Method onFormSubmitted of
> > >>>> interface org.apache.wicket.markup.html.form.IFormSubmitListener
> > >>>> targeted at component [MarkupContainer [Component id = myform]]
> threw
> > >>>> an exception
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:193)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents(ListenerInterfaceRequestTarget.java:73)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1250)
> > >>>
> > >>>> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1329)
> > >>>> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1436)
> > >>>> at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
> > >>>> at
> > >>>>
> > >>>
> > org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:486)
> > >>>
> > >>>> java.lang.reflect.InvocationTargetException
> > >>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> > >>>
> > >>>> at java.lang.reflect.Method.invoke(Method.java:597)
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:182)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents(ListenerInterfaceRequestTarget.java:73)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92)
> > >>>
> > >>>> at
> > >>>>
> > >>>
> > >>>
> >
> org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1250)
> > >>>
> > >>>> at org.apache.wicket.RequestCycle.step(RequestCycle.java:1329)
> > >>>> at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1436)
> > >>>> at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
> > >>>> at
> > >>>>
> > >>>
> > org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:486)
> > >>> ---------------------------------------------------------------------
> > >>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> > >>> For additional commands, e-mail: users-h...@wicket.apache.org
> > >>>
> > >>>
> > >>>
> >
>
