Running on load two fetch processes on the same page

I have two separate regions on one page build on two tables which have a one to one relationship. I want to to query both regions at the same time when the page loads using the automatic fetch process. If I try to run both I get "NO DATA FOUND" error. If I run each one separately (by setting a never condition on the other process) then each region returns data without problems. Is this a limitation of APEX that you can only have one on-load fetch process per page?
Paul P

Hello Paul,
>> Is this a limitation of APEX that you can only have one on-load fetch process per page?
Ultimately, yes.
The ‘no data found’ error you see is not related to your data table but to an internal APEX package array that the ARF process uses. As you are using more than one ARF process on the same page, they both use the same database session, and that means that the packaged array is not clear between calls, and in certain situations that can lead to the error message you see. In any case, if an error message is not display, the populated items will only be from the last call to the ARF process.
As I see it, you have two options. One is to populate the form items manually. The second is to create a view on the two relevant tables, and build your form on the view (with the appropriate Instead Of triggers, if necessary).
Regards,
Arie.
&diams; Please remember to mark appropriate posts as correct/helpful. For the long run, it will benefit us all.
&diams; Forthcoming book about APEX: Oracle Application Express 3.2 – The Essentials and More

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Message was edited by:
user517841

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[email protected]

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[Subject line edited by moderator for clarity]

Please don't use cryptic subject lines for posts. The value of a forum is that other people might be searching for the answer to a similar problem. Meaningless subject lines prevent others from finding useful replies. They also discourage others who might be able to provide help more quickly if they knew what you're asking about.
I've had a quick look at your page. Quite honestly, I find all the flashing rather nauseating, but if that's the way you want to design a page, it's your choice...
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First, create the basic dataset you are going to work with. This usually includes existing data + empty rows for input. Create a Procedure that fires BEFORE HEADER or AFTER HEADER but definitely BEFORE the first region.
DECLARE
v_id     NUMBER;
var1     NUMBER;
var2     NUMBER;
var3     VARCHAR2(10);
var4     VARCHAR2(8);
cursor c_prepop is
select KEY, col1, col2, col3, to_char(col4,'MMDDYYYY')
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i         NUMBER;
cntr      NUMBER := 5; --sets the number of blank rows
BEGIN
OPEN c_prepop;
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        p_c003 => var2, --Number placeholder
        p_c004 => var3, --text placeholder
        p_c005 => var4 --Date placeholder
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CLOSE c_prepop;
for i in 1..cntr loop
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        p_collection_name => 'MY_COLLECTION',
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        p_c002 => 0, --Number placeholder
        p_c003 => 0, --Number placeholder
        p_c004 => NULL, --text placeholder
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end loop;
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SELECT rownum, apex_item.hidden(1, c001), --Key ID
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     apex_item.text(3, c003, 3, 3) VALUE2,
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What is critical to note here are the numbers that come right before the column names. These numbers become identifiers in the array used to capture the data. What APEX does is creates an array of up to 50 items it designates as F01-F50. The F is static, but the number following it corresponds to the number in your report declaration above, ie, F01 will contain the primary key value, F02 will contain the first numeric value, etc. While not strictly necessary, it is good practice to assign these values so you don't have to guess.
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Now you need a way to capture user input. I like to create this as a BEFORE COMPUTATIONS/VALIDATIONS procedure that way the user can see what they changed (even if it is wrong). Use the Validations to catch mistakes.
declare
j pls_integer := 0;
begin
for j1 in (
select seq_id from apex_collections
where collection_name = 'MY_COLLECTION'
order by seq_id) loop
j := j+1;
--VAL1 (number)
apex_collection.update_member_attribute (p_collection_name=> 'MY_COLLECTION',
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--VAL2 (number)
apex_collection.update_member_attribute (p_collection_name=> 'MY_COLLECTION',
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--VAL3 (text)
apex_collection.update_member_attribute (p_collection_name=> 'MY_COLLECTION',
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apex_collection.update_member_attribute (p_collection_name=> 'MY_COLLECTION',
      p_seq=> j1.seq_id,p_attr_number =>5,p_attr_value=>wwv_flow.g_f05(j));
end loop;
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declare
begin
--Get records from Collection
for y in (select TO_NUMBER(c001) x_key, TO_NUMBER(c002) x_1,
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end loop;
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Anyway, this works very well and allows me complete control over what I display on the screen and where all the data goes. I suggest using the APEX forms where you can, but for complex situations, this works nicely. Let me know if you need further clarifications.

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null

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Jheadstart Team.

I want to run two or more firefox processes under the same user at the same time

My setup: A laptop running Fedora 20 and Gnome 3. I would really like to have a Firefox window on the laptop screen, and at the same time another one on the VNC client I am running on another computer. Both under the same user account.
Closing one of the firefox windows is a very poor solution, as I would lose all the tabs I opened, in addition to the hassle.
Is that possible at all? If yes, how? And if not, can you suggest workarounds?

You can use the -no-remote command line switch to open another Firefox instance with its own profile and run different Firefox instances simultaneously, but do not use -no-remote to start the default browser with the default profile.
* http://kb.mozillazine.org/Opening_a_new_instance_of_Firefox_with_another_profile
* https://developer.mozilla.org/Mozilla/Multiple_Firefox_Profiles
See also Remote Control:
*https://developer.mozilla.org/Command_Line_Options

Running on load two fetch processes on the same page

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