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 >>> >>> >>>
