How To Use a Hidden Page Item within an SQL Report Query without Submitting

Hi,
Using: Oracle ApEx 3.0.1
I have an sql report region that contains a hidden page item as part of the "where clause". My problem is, based on a value entered by the user, I need to assign this value enetered to my hidden item, so that it can be used within the where condition of my sql but this would need to be done without actually submitting the form.
At the moment, I can set the value via an on-demand process but my SQL is still not returing any values as the hidden page item within the query is not set (as page has not been submitted).
Can anybody please assist as I am not sure how to do this and whether in actual fact, this is possible to do, without having submitted the page.
Thanks.
Tony.
Edited by: Tony F. on Nov 12, 2011 1:39 AM

You can set a session value using a dummy ajax call e.g:
Add the following to the 'Function and Global Variable Declaration' region
function f_set_item(pThis){
var get = new htmldb_Get(null,&APP_ID.,'APPLICATION_PROCESS=dummy',1);
get.add('P1_ID',pThis.value)
gReturn = get.get();
get = null;
}Where P1_ID is the session value to be set. Then call the function in the usual way e.g.
javascript:f_set_item(this);
I hope that helps
Shunt

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