Communicate b/w blocks of different forms.

Hi,
I like to know how to communicate from one block in one form A to another block in another form B.
for examples.
In form A.
I have multi line block which i
like to copy all those lines into another multi line block of form B.
Early response appreciated.
Regards,
Faheem

To remove a global and free up the memory:
erase
The same for a record group:
[delete_group|http://www.oracle.com/webapps/online-help/forms/10g/topics/f1_help/builtd_f/deletegr.html?tp=true]
Permanent allocation of memory does not need to be an issue with either of these.

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Can anyone suggest how to use the same dff in two different forms by using :BLOCK.field reference.
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In the environment I currently have access to do not have similar setup.
Let say you setup the DFF1 default value to $HEADER.customer_name, the name of the DFF is CUSTOMER_NAME, description can be anything.
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I'm trying to call a particular block in a form. The actual call is done via fnd_function.execute. This brings up 2 blocks:
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If you have both blocks on the same canvas they will both appear if you navigate to a field in either block.
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Message was edited by:
Mark Reichman

Performance question on looping thrue blocks and items (forms 10.1.2.3)

Hi all,
I'm back again in Forms forum : ) !!! and I'm working on a new and very interesting project
version used : Forms [32 bits] Version 10.1.2.3.0 (Production)
A little question for gurus :
On former projects I used to call loops on blocks and item like shown below to do various things such as displaying buttons or showing canvas or different VA depending on the user or scenarios .
PROCEDURE FRM_BLK_ITM_LOOP IS
v_curblk varchar2(90); -- bloc courant
v_curitm varchar2(90); -- item courant
BEGIN
v_curblk := get_form_property(:SYSTEM.CURRENT_FORM,first_block); -- on récupère le 1er block de la form
LOOP
v_curitm := v_curblk||'.'||get_block_property(v_curblk,first_item); -- on récupère le 1er item du block
 WHILE v_curitm != v_curblk||'.'||get_block_property(v_curblk,last_item)
 LOOP -- tant que l'item n'est pas le dernier du block on loop
 v_curitm := v_curblk||'.'||get_item_property(v_curitm,nextitem); -- on récupère l item suivant
 if get_item_property(v_curitm,<some property>) = 'TRUE' then
 --- I can do something.... or adding more conditions if then etc...
 end if;
 END LOOP;
EXIT WHEN v_curblk = get_form_property(:SYSTEM.CURRENT_FORM,last_block); -- on sort losrqu on arrive au dernier block
v_curblk := get_block_property(v_curblk, nextblock); -- on passe au block suivant
END LOOP;
END;In my current project we work on quite huge forms which can have a consequent number of blocks and items.
And we must be very careful regarding performance issues as these forms are accessed via LAN and WAN.
So my question :
This method seems to be quite efficient as it goes thrue blocks and items sequences as they are defined in the builder comparing to go_block -> go_item ->do_something which can easily turn into nightmare-programming.
But I don't really know about network roundtrips with this kind of method.
Is everything done in the app server and then fetched to the client?
What triggers block-level and item-level can be fired during the execution of the loop ? and so one...
Thanks in advance for your advices on this matter.
Jean-Yves

Hmmm, I have to say I never bothered if Forms is in Socket mode or not; I enabled the network statistics, counted the roundtrips and looked for ways to get them lower (my old friend wireshark did also a good job regarding this) ;). But regarding the note Forms 6i uses Socket Connections by default, this might apply to 10g too (or the enhancement request was approved, who knows).
Frankly I am not entirely sure what Socket Mode means; I guess it's the mode the forms applet talks to the forms runtime; wheter it's stateful (via Sockets) or stateless (via HTTP / HTTPS) but this is just a wild guess, and I can't find informations on it quickly. I also enabled networkStats on my Developer Suite only, so I cannot tell if you can enable them on a full-fledged Application Server.
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Another useful tool was Shunra VE Desktop which I used to simulate low bandwith networks with high latencys; I installed it on a virtual XP, started the application and tested how the Application performs. If something looked odd, I looked behind the scenes, built a little testform basing on the code behind and tried out various things; very often you can take advantage of the event bundling forms seems to make when you use several set_xyz calls as Francois also noted; e.g.
set_custom_property('bean_item', 1, 'PROPERTY', prop);
set_custom_property('bean_item', 1, 'PROPERTY', prop);
set_custom_property('bean_item', 1, 'PROPERTY', prop);
set_custom_property('bean_item', 1, 'PROPERTY', prop);
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If you want to make use of event bundling make sure you fire off as much set_xyz as you can before forcing forms to synchronize (e.g. with get_xyz, or synchronize, create_timer,...)
cheers

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Only several changes:
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Edited by: user8897365 on 24-Aug-2011 10:32

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Have a few problems i would like some help on.
First i will describe what I’m planning to do.
And I'm sorry if it's a little of the normal way of doing it, but I'm new to the Portal
Have a list over different trip people shall have possibility to join,
Some of those trips can are for the person only and others for the whole family.
So my plan is to show a list of all the trips and then a status saying if
they already has join it or not.
Then the person can press the trip (link) and depending on some data,
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Like:
Trip | Status | Personal/family
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Boat | New | Personal - if pressed open form1
Dinner | New | Family - if pressed open form2
Soccer | Accepted |Personal - if pressed open form1
Tennis | Declined | Personal - if pressed open form1
I made a report, showing all trip, but i can only make it use 1 link to form1, how do i make the link dynamic
The next problem is when i open form1, i would like to do some stuff in PL/SQL (Before Page).
But I have tried to get the parameters from the URL and I cannot get it to work.
I use something like, but the l_names.count is 0
....portal/PORTAL.wwa_app_module.link?p_arg_names=_moduleid&p_arg_values=1380125721&p_arg_names=_sessionid&p_arg_values=&p_arg_names=ENROLL_ID&p_arg_values=5677&p_arg_names=_enroll_id_cond&p_arg_values=%3D
DECLARE
l_names owa.vc_arr;
l_values owa.vc_arr;
l_lang varchar2(100) := PORTAL.wwctx_api.get_nls_language;
l_enroll_id NUMBER;
BEGIN
PORTAL.wwpro_api_parameters.retrieve(l_names, l_values);
FOR i in 1..l_names.count
LOOP
IF l_names(i) = 'enroll_id' THEN
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END IF;
END LOOP;
END;
What i also want to do is in some cases. Is create a row in a table and populate the form1 with it in the "before page", instead of using query from parameters.
Like:
Trip | Status | Personal/family
Golf | New | Personal - if pressed open form1 and insert data and populate the form with the inserted data
Soccer | Accepted |Personal - if pressed open form1 and do the standard query
How do I do that?

One way to do this would be to hold the urls for the pages you need to display in a table. You could then build the links as one of the columns of a report using some fancy SQL. 
 
Or you could make a simple function to return the correct link based on the relevant parameters: 
 
create or replace function get_url (p_criteria in varchar2) return varchar2 
is 
lv_url varchar2(500); 
begin 
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end if; 
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Patrick.

Communicate b/w blocks of different forms.

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