Check this page http://tapestry.apache.org/component-cheat-sheet.html
And then try reading this article which should explain more about what I think you are trying to accomplish http://blog.tapestry5.de/index.php/2010/08/23/context-values-vs-request-parameters/ On Wed, Aug 29, 2012 at 7:17 AM, jqzone <jqz...@gmail.com> wrote: > Some code like this > > Page class > > public class SearchUser{ > > > @ActivationRequestParameter(value="filer") > private String filter; > @Inject > private IStaffService staffService; > > private String staffId; > protected void onActivate(String staffId){ > this.staffId = staffId; > } > StreamResponse onActivate(){ > JSONObject json= new JSONObject(); > > return new TextStreamResponse("application/json", > json.toString()); > > } > > } > -- *Regards,* *Muhammad Gelbana Java Developer*