Application Items/Session State Values and Page Branching

I have users coming into a specific page in my application, passing in a value on the url that sets the value of an application item, where a validation routine occurs. If their session validates, I want to send them to one page, if it does not, I want to send them to a login error page.
During validation, I am setting the values of several application items so that these values can be saved and used throughout their session. The values appear to be setting correctly. I am concerned that setting the application items may not be limiting these values to a particular session. So, I have also tried setting the setting session state variables with code like:
apex_util.set_session_state ('F203_REQ', vReqID);
I found it curious though when I ran this page, not trying to branch so I could check session state, these values showed up as being application items and I saw nothing under session variables.
The problem I am having is that once validated I don't know how to branch to these other pages. I have tried adding some javascript in the header to force a page submit so that I could use a branch setup on the page. However, when it comes time to evaluate the branches (it's using one of the application item values I set earlier), I'm getting an error that no branch has been provided. Further research suggests the application item values are being cleared on the page submit.
So, (1) I either need to know how to preserve those values on submit so the page branch works or (2) I need to branch to the new page without using a page submit and instead doing that in a some code (assuming submit is clearing application item values). I have not been able to find an example of how to do this in code. If there is a way to do this in code, will the application item or session state variable values be retained? I will need these values to be available to the user throughout their session.
Thanks for the help,
Steve

Steve,
I am concerned that setting the application items may not be limiting these values to a particular session.They are set in the current session only.
It is hard to know what you are doing exactly without seeing it. If you set up an example on apex.oracle.com we could could address one specific question at at time.
Scott

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Items session State from form to another ...

Hi Guys,
I have been trying to pass items session state from one page to another page that is opened on Sikllbuilder Modal Page, but to no avail.
I have been trying to pass items session state from one page to another page using branch , but to no avail.
Can you please have a look...
workapce: fam
user: test
pwd: test
Application 64941 - Modal Page
On the setting of Skillbuilders Dynamic action, I used this Static URL:
f?p=&APP_ID.:2:&APP_SESSION.:::2:P2_MOBILE,P2_MOBILE2,P2_MOBILE3:&P1_MOBILE.,&P1_MOBILE2.,&P1_MOBILE3.Regards,
Fateh

Hi Trent,
Actually, i did not create new DML. and my problem is not with the source.
in a nutshell,
the items on the first page have source of Static assignment .. only one item has a default value
the items on the second page have source of Database Column .. none of the items have default value
1- What caused the confusion is:
We run the page 1 , we have an item (Mobile) with a default value ( that means it has a session state value by default ) > Concur.
I type a value on the second item ( Mobile 2) then set session values.
both items ( Mobile & Mobile 2 ) have session state values. > Concur.
Click Modal Page button to trigger the modal page. where the Static URL is:
f?p=&APP_ID.:2:&APP_SESSION.:::2:P2_MOBILE,P2_MOBILE2,P2_MOBILE3:&P1_MOBILE.,&P1_MOBILE2.,&P1_MOBILE3.We see that only the value of the first item (P1_Mobile) goes to the modal page. but rest of the items do not go.
I hope that it is clearer now..
Best Regards,
Fateh
If you want details, Please allow me to tell my scenario. I have two forms "Clients", "Inquiries".
As a client calls, I need to identify whether the client is exit on the DB or not.
So, as the client calls, we enter the mobile phone number into items that have static assignment source, then click on a button to check if the client details are already on the DB. if yes, the inquiry form shows up. if No, a modal page (that have clients form) pops up to allow inserting the details of the client in items that have Database Column Source . but since we have already inserted the mobile number in the the first step.. I do not want to insert them again in the client form.
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Fateh

Need help with the session state value items.

I need help with the session state value items.
Trigger is created (on After delete, insert action) on table A.
When insert in table B at least one row, then trigger update value to 'Y'
in table A.
When delete all rows from a table B,, then trigger update value to 'N'
in table A.
In detail report changes are visible, but the trigger replacement value is not set in session value.
How can I implement this?

You'll have to create a process which runs after your database update process that does a query and loads the result into your page item.
For example
SELECT YN_COLUMN
FROM My_TABLE
INTO My_Page_Item
WHERE Key_value = My_Page_Item_Holding_Key_ValueThe DML process will only return key values after updating, such as an ID primary key updated by a sequence in a trigger.
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Edited by: Bob37 on Dec 6, 2011 10:36 AM

Session state value translation issue

Hello.
New to APEX and not all that web-savvy. Using version 3.1.2.00.02.
Little background:
I have a Select List item, "P1_OPERATOR", working from an LOV of relational operators (=, >, >=, <, <=). I use this item as a string substitute in report queries. This works fine for any reports on the page containing the "P1_OPERATOR" definition itself, "PAGE_1".
Problem:
However, when I attempt to set a session state value for a similar item ("P2_OPERATOR") on "PAGE_2" to the value of P1_OPERATOR using the column link of a report on PAGE_1, the value of P1_OPERATOR does not translate correctly for any values involving a right or left angle bracket (it works only for '=').
Scenario:
Let's say I'm on PAGE_1 and I select >=. The reports on that page display as expected. When I click on the link to PAGE 2, the reports there display "invalid relational operator". When I view session state from PAGE_2, I can see that...
P1_OPERATOR is '>='
P2_OPERATOR is '& gt;=' (space added to get it to display on this post).
So it's trying to use the html value for >= as a literal value.
I can also see that APEX has built the URL for the link page as follows...
(abbreviated) http://...:P2_OPERATOR,P2_DATE:%26gt%3B%3D%2C2009-06-27
If I type in the expected literal URL myself (outside of APEX) as...
(abbreviated) http://...:P2_OPERATOR,P2_DATE:>=,2009-06-27
...or even the expected hex URL (outside of APEX) as...
(abbreviated) http://...:P2_OPERATOR,P2_DATE:%5C%3E%3D%5C%2C2009-06-27
...PAGE_2 shows the expected results.
Is there a way to solve this translation problem? Some workaround I haven't thought of?
Thanks for your help.
Edited by: user11313762 on Jun 29, 2009 2:30 PM

Use an PL/SQL process On Load - Before Header with the following:-
*:P2_OPERATOR := :P1_OPERATOR;*
You'll have to use a hidden item as your condition (having looked at a page debug, any request value will have expired by the time the process will fire).
create a hidden item on page 2 called P2_SET_OP
use Item = value type of condition in your process where exp1 = P2_SET_OP (don't use colon notation here as ITEM has been specified) and exp 2 = Y
You can even reset P2_SET_OP back to null in the same process as you assighn the operator.
*:P2_OPERATOR := :P1_OPERATOR;*
*:P2_SET_OP := NULL;*
set the value of P2_SET_OP in your link as P2_SET_OP:Y
Gus..

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Hi,
I have a custom tabular form page using apex_item and apex_collections. I am using the apex_collection to store the values in memory in order to avoid the data loss in session state. The page is working fine after a validation failure and it shows the values on the second report (as advised for custom tabular forms).
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Natarajan

Thanks Daniel for your reply.
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I have now deviated to another work and put this on a hold. If my explanation is still not clear, I will create the same page in apex.com to simulate the error.
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Edited by: Nattu on Mar 14, 2012 11:35 PM

Losing session state after error page

Hi there,
I'm kinda new to all this so please bear with me.
I've created a little app in HTML DB using the Oracle 10g XE database. The app is now in production and working ok. I do however have one issue that I am unable to resolve. The problem is this.
If the user encounters an untrapped error on a page, e.g. they type in more data than the database field allows, then an error message will be displayed on a separate page, with an OK button. When they click the OK button, they are taken back to the page they came from, but any data they had typed in is gone. As you can imaging this is quite frustrating for the user. I know that this feature does work correctly (i.e. your data is retained), as I've seen it working on one of the demo applications. However, I'm at a loss at to what controls this behavior. Does anyone have any idea what setting I might need to change to get this working?
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Regards
Joe Kennedy

Scott,
I have created the application on online as you suggested. I was unable to login to the application with my username and password so I deleted the login page and security scheme and accepted the default login page. The really wierd thing is it works as expected, i.e. when I get the error and click ok, the data is still on the page as I entered it. That means there must be something wrong with my setup on my PC, but I don't know what. I will try dropping and recreating the appication from scratch to see if that will fix it. Could it have something to do with the security scheme? That is the only thing I changed with the version I created online.
Thanks
Joe.

Where can i find apples mission statement, values and vision on their website?

where can i find apples mission statement, value and vision on their website?

Don't know if this helps you get what you wish - http://investor.apple.com/faq.cfm?FaqSetID=6
Not every company has such things in explicit public statements or records (there is certainly no requirement for such things).

Session state protection and read-only items

I have a requirement to create a report + form for a database table. In the form, there is mandatory database column that needs to be displayed but it should be read-only and its value derived using values entered elsewhere on the screen.
It tried Display Only, Read Only and Disabled but they either fall foul of session state protection violation or ORA-01400: cannot insert NULL. The best method that I've found was to add readonly="readonly" the item element, but this causes the input item to lose its APEX classes and I'd prefer a declarative solution anyway.
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I've created a DEMO - http://apex.oracle.com/pls/apex/f?p=READONLY - which demonstrates the 4 methods.
Edited by: KGelling on 17-May-2012 06:10

KGelling wrote:
The best method that I've found was to add readonly="readonly" the item element, but this causes the input item to lose its APEX classes and I'd prefer a declarative solution anyway.Looks like a bug to me. However a possible explanation/justification for this behaviour is that the HTML Form Element Attributes are often used to specify a custom class for the item, so the default class is removed to prevent any conflicts. IMO APEX needs to provide declarative support for the use of multiple, space-separated class values in page, region, item etc attributes.
As a workaround in this case, just include the class in the HTML Form Element Attributes:
class="number_field" readonly="readonly"
I've created a DEMO - http://apex.oracle.com/pls/apex/f?p=READONLY - which demonstrates the 4 methods.
Thanks for making the effort.

Session State Values Only Used After a Page Refresh

We recently moved our application to use Oracle Application Server. I don't know if this is an issue but I thought it might be relevant to my question.
In this application there is report that has a link to another page. This link sets the ID of the company that the subsequent pages use to provide several summarized reports with drill downs. I'll call this the main page.
Users recently started to report that when they drill into the details and use the breadcrumbs to get back to the main page, that page will display the wrong company, one they were viewing recently.
In testing I find that when I click a link to drill down into the details the details page is not for the right company. I check session state and the value of the ID is correct. If I refresh the page I then get the correct drill down page. Some of the drill down reports will pass a page specific ID into each page and others will just reference the ID from the main page. Not sure if this is relevant since the breadcrumbs to go back to the main page would not be able to use every possible page specific ID, my understanding was that once I set the ID in session state on the main page I could rely on it.
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Our systems admin was asked to check if we had WebCache on and she said it was not. Is there something else that could be caching the results of these pages?
Thanks,
Greg

Scott,
This is in version 2.2.1 and there are no caching features available.
The application does require login.
I'm playing around with the APP_UNIQUE_PAGE_ID right now but I am finding that even in the builder if I edit the attributes of a report column and then try to edit another column it will bring up the last column I edited. Even if I use the record navigation buttons next to the Apply Changes button it will keep bringing me the same page over and over unless I constantly refresh the pages.
Greg

Item session state during rendering

Hi,
Application Express 4.1.0.00.32
Page process (before heading) sets session state for several items (Text, Always replacing ..., Static Assignment...) but the values are not persistent.
Debug shows:
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0.32567     0.00104     ...Session State: Saved Item "P1013_TOT_AANT" New Value="1"
0.32671     0.00111     ...Session State: Saved Item "P1013_CURR_SET" New Value="1"
0.32783     0.00094     ...Session State: Saved Item "P1013_REC_PP" New Value=""
0.32877     0.00087     ...Session State: Saved Item "P1013_TOT_AANT" New Value=""
0.32963     0.00060     ...Session State: Saved Item "P1013_CURR_SET" New Value=""
Where is the 'second round' (immediately following the actual setting in page process) on setting session state coming from?
Thanks, Jos

Resolved,
Dropped the items and recreated some new ones (with different names) and now its OK.
The original items were copied from each other and renamed. Maybe this is (still) a bug...
Jos

Use session state values to set column value during insert/update

I am building an APEX 4.2 application that uses the canned Data Loading control to upload csv data to a table. I have modified the 'Select Data Source' page of the workflow and it now contains three LOV's that the user selects values from. The selected values are stored in Session State. As I'm new to APEX, I do not know how to reference Session State objects in the context of the Data Loading workflow so that the appropriate columns are set with the correct values. My assumption is that the columns that are apart of the insert statement reside in a collection somewhere. I just don't know how to loop through the collection, determine the correct column, and then set that column's value equal to the corresponding LOV value in Session State.

Scott,
This is in version 2.2.1 and there are no caching features available.
The application does require login.
I'm playing around with the APP_UNIQUE_PAGE_ID right now but I am finding that even in the builder if I edit the attributes of a report column and then try to edit another column it will bring up the last column I edited. Even if I use the record navigation buttons next to the Apply Changes button it will keep bringing me the same page over and over unless I constantly refresh the pages.
Greg

Session state values

I have two pages.The first page branches to the second page when the submit button is clicked.The first page has a text item.I am able to set the item value in the session but not able to set it to a text item in the second page when the page loads after submit.
Pls some one help me.

You need to make sure that no other page processes are causing that item to 'lose' it's value in the page rendering process. The item itself might be set to 'Always replace current value', which would cause what you're seeing.
Earl

ALV: How do I suppress repeating values and page breaks on printed output?

Good day, everyone!
First, I've done a LOT of searching trying to find the answer to my question, but I'm not finding an answer. If this has already been answered and you can point me to a URL, I would appreciate it.
Here's my issue: I have a rather simple ALV report. It has the columns of Person ID, Personnel Number, For Period, In Period, and Amount. I sort by Person ID and Personnel Number, and if the value repeats on the next line of the report, I want to suppress it (make it blank).
I thought the answer was in the following code, where I set the GROUP attribute to asterisk:
CLEAR sortcat_ln.
sortcat_ln-spos      = '1'.
sortcat_ln-fieldname = 'PERSONID_EXT'.
sortcat_ln-up        = c_true.
sortcat_ln-group     = '*'.
APPEND sortcat_ln TO sortcat.
CLEAR sortcat_ln.
sortcat_ln-spos      = '2'.
sortcat_ln-fieldname = 'PERNR'.
sortcat_ln-up        = c_true.
sortcat_ln-group     = '*'.
APPEND sortcat_ln TO sortcat.
It looks PERFECT on the screen -- the values are suppressed if they repeat, and everything appears together on one screen. However, when I print the report, two things happen: 1) The values repeat on each row, even if they are the same, and 2) I get a page break after each Person ID / Personnel Number combination.
I now realize that I can't use the GROUP attribute. Is there some other way in ALV to blank these repeating values and keep all the rows together on one page, rather than page breaking after each value change?
Thanks!
Dave

Hi
Same requirement i had before, when i try to print preview. the output of the grid display is in grouping is ok, but when i print preview or print it doesnt cater the grouping and page breaks, so what i did i modify the internal table use in alv , after hitting the print preview/print with the format desired by the user. you can do that in user-command. see code below
FORM user_command USING r_ucomm TYPE syucomm
                        rs_selfield TYPE slis_selfield.
DATA lt_sort TYPE lvc_t_sort.
CASE r_ucomm.
    WHEN '&RNT_PREV' OR '&RNT'.
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      PERFORM clear_redundant.
      PERFORM set_sort_criteria USING lt_sort.
    WHEN '&F03' OR '&PRINT_BACK_PREVIEW'.
      t_final[] = t_final_x[].
    WHEN OTHERS.
ENDCASE.
ENDFORM.                    "user_command
hope it helps

HELP! iWeb Application opening up older site and pages.

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How to keep up the session state values uncleared after page submit

hi,
i am using Application Express 4.0.2.00.07
and 11g
i have created a tabular form manually useing apex_items.
select apex_item.checkbox(1,null) as "check",
       APEX_ITEM.DISPLAY_AND_SAVE(4,line_item_no) as "Line Item No",
       APEX_ITEM.DISPLAY_AND_SAVE(5,line_item) as "line item",
       APEX_ITEM.text(6,module) as "Modulle",
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order by line_item_no deschere on submit, data gets inserted into the another table(fli),(whixh contains all these columns)
after the page is submitted it returns to same page,
i want the apex_items's text fields to retain the submitted values after returning to the same page
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thanks,
Little Foot

hi,
can you help me to use this collections,
i have created a collection processdeclare
la_cks wwv_flow_global.vc_arr2;
begin
htmldb_collection.create_or_truncate_collection('UPDATEE');
htmldb_collection.create_or_truncate_collection('INSERTT');
for i in 1..htmldb_application.g_f01.count
loop
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          p_collection_name => 'UPDATEE',
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          p_c002            => htmldb_application.g_f02(i),
          p_c003            => htmldb_application.g_f03(i),
          p_c004            => htmldb_application.g_f04(i),
          p_c005            => htmldb_application.g_f06(i),
          p_c006            => htmldb_application.g_f07(i),
          p_c007            => htmldb_application.g_f08(i),
          p_c008            => htmldb_application.g_f09(i));
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      htmldb_collection.add_member(
          p_collection_name => 'INSERTT',
          p_c001            => htmldb_application.g_f01(i),
          p_c002            => htmldb_application.g_f02(i),
          p_c003            => htmldb_application.g_f03(i),
          p_c004            => htmldb_application.g_f04(i),
          p_c005            => htmldb_application.g_f06(i),
          p_c006            => htmldb_application.g_f07(i),
          p_c007            => htmldb_application.g_f08(i),
          p_c008            => htmldb_application.g_f09(i));
    end if;
end loop;
end;            then when creating a report on collections i am unable to proceed,
in sql report i used select apex_item.checkbox(1,null) as "check",
       APEX_ITEM.DISPLAY_AND_SAVE(4,line_item_no) as "Line Item No",
       APEX_ITEM.DISPLAY_AND_SAVE(5,line_item) as "line item",
       APEX_ITEM.text(6,module) as "Modulle",
       nvl(rstag,APEX_ITEM.text(7,null)) as "RS tag",
       apex_item.text(2,'klklk',null,null,' readonly="readonly" ') as "FS Name",
       apex_item.text(3,null) as "FS Tag"
      from htmldb_collections
where collection_name = 'UPDATEE'says rstag invalid indentifier...,
can you tell me how to use this collections to achieve my purpose.
i tried http://www.oracle.com/technetwork/developer-tools/apex/tabular-form-090805.html
so i need to use collections in this way only...!
can i make collections to just collect values from two columns and then put those values to the respective rows in their columns...!!!
guide me to achieve my requirement.
Thanks,
Little Foot
Edited by: Little Foot on May 10, 2011 5:00 AM

Application Items/Session State Values and Page Branching

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