How can I pass value between two pages or fragments?

Hi,
I am learning ADF nowadays. Now I come across the following problem.
There are two pages or fragments in a bounded task flow, e.g. PageA&PageB. There is an inputtext on PageA.When I press an button on PageA with an action jumpping to PageB I want pass the value of this inputtext to annother inputtext, which is shown on PageB. Moreover, the inputtext on PageB comes from a ViewObject. How can I achieve this goal? Any ideas or suggestions?
Best wishes!
Eleven.Xu
Mar 27th.2009
Edited by: Eleven.Xu on 2009-3-26 下午7:03

RequestContext requestContext = RequestContext.getCurrentInstance();
requestContext.getPageFlowScope().put("var_name", value);
String value = (String)requestContext.getPageFlowScope().get("var_name");
if you open a new window, the value will be null.

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