Can a process update report Headings?

Does anyone know how to use a process to directly update Report Headings, perhaps using the HTMLDB API? I need dynamic headings determined at run time, but I cannot use the PL/SQL Headings Type because I have too many columns in the report (the delimited headings string exceeds HTMLDB's length limit).

500 columns!
I thought there was a limit of 60 columns on report regions.
In any case, there is also a limit on the total size of each row returned (regardless of number of columns). Are you not running into that limitation?
See the discussion at Re: Report with Tabs - Enhancement Request? , that might help you. Basically, break the 500 columns into groups that make sense and put each set of columns in a tab and flip between them using the techniques in that thread.
This way, each report has a more manageable number of columns and you can stay under the varchar2(4000) limit.
[Carl's example page is at http://htmldb.oracle.com/pls/otn/f?p=11933:55]
Hope this helps.

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Hi Experts,
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My company has purchased Crystal Reports 2008 and I'm in the process of determining if the product will do everything we need and not become a maintenance nitemare.
We would like to setup some standard report headings to be used in all reports. I've setup on already as a SUBREPORT and it works fine. We pass optional parameters that may be blank.
We have several questions:
1) Subreport...Once a SUBREPORT is setup as a standard heading and included in multiple reports, we are concerned about what is required if the standard heading subreport changes. Will each report that uses this need to be opened or handled in any way to pickup the subreport changes? Any suggestions how to handle this?
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Hi Vitaly Izmaylov,
I've taken your advice and split out questions 2-6 into seperate questions. Anyone else please respond only to question 1 here.
I see the Re-Import subreport option....and I guess I can only assume that this means that any change to a report heading file (subreport) must be manually re-imported into every report it is used in. There are no behind the scenes files or table that maintain a usage of these reports and can automate the population of the changes.
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Does not sound real fun.
Is all this true?
Thanks,
Tim

Using multiple LOV popups in a multi-row updatable report but save to 1 col

Hi,
I'm trying to generate a multirow updatable report, which has only 1 writeable column. There is a read-only column that indicates the type of value that the writeable column should contain (it's a varchar2). The second column will be a LOV popup.
I can create the report by setting the 2nd column to a LOV and it's fine, however I really want the LOV to be different, depending upon the value of the first column for the row.
For example, if the first column is "list" then I want the popup to show all my "lists"
If the first column is "role" then I want to the popup to show all my "roles".
There will be a mixture of values within the entire rowset.
I've so far managed to use a case statement to generate different LOV popups, which are displayed as required but the returned data isn't written back to the correct field.
If I use the same p_idx value then there is only one javascript function created and it always stores the data in the first rows column.
If I use unique p_idx values, then it works better but selecting a value for the 2nd row will store it there but also overwrite the 1st rows value as well.
My SQL for the report currently looks like this (cut down for clarity)
SELECT RULACTPRMIDD, /* PK */
CASE PRMNME /* type */
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thanks

User478832,
I didn't look thru all the code but I have a feeling your problem is the 9th line in the On Demand process. (the 9th line in this post anyway)...
htp.prn('<option value="' || rec.cpc_name|| '">' || rec.cpc_name|| '</option>');
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More than one updatable report on one page.

I hope someone can help me with this.
I've spend a long time looking for the best way to do this but keep running into APEX constraints.
My problem is that I have two tables;
1) an 'object' table with static attributes (that can change value but keep no history).
2) an 'object attributes' table with attributes that can change over time (i.e. keep a history).
Some of the attributes are optional and some mandatory irrespective of whether they are static or timestamped.
I want to design a screen that shows both tables on one page - preferably both updatable on the same screen.
Selecting/clicking a row in the top table (object) will select the appropriate object attribute rows in the table below (I've got that covered - no help needed there).
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This first initial attributes record cannot be deleted while the object exists.
The start date of the object itself and its first object attributes record should remain in sync.
I cannot separate the object table and attributes tables on different pages as all static and timestamped attributes form one collection that needs to be visible and maintainable from one screen.
The problem is APEX will not allow more than one updatable (or interactive) report on one page.
I need a solution where both tables are maintained in a uniform way for the user.
Not, for instance, one table an updatable report and the other a report with detail form.
Anybody struggle with a similar problem and found a solution to this problem?
Any pointers are most welcome.
Ruud.
PS. I have a joined view on both tables with an INSTEAD trigger that can process insert/update/delete's on the combined data however I would not like to use that if I can avoid it. It would mean a repetition of static attributes in the one updatable report.

Andy,
Apologies for the late reply - Forums have been out for a while :-(
Thanks for the suggestion. I've had a look at Denes' example and
at least now I know it is possible.
I've asked for access to his workspace but have not been given that
yet so can't look at the details yet but I can make some educated
guesses as to how it was done.
I will give it a try.
I'm still not certain whether having 2 updatable tabular reports is the
right way to go though....
Currently I'm working on a page with 2 navigator reports - one for selecting
the object and another to select the start date of the timestamped attributes.
Next to that I have an updatable detail form that shows the selected object
and attributes as one whole set using the joined view I mentioned earlier.
Inserts, updates & deletes are then done in the form.
Ruud.

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ok. I understand that we can't have more than one MRU process on a page. Actually it seems 2 regions using the same MRU seems to work fine, but I had a problem adding a 3rd region with a new MRU. So I resorted to putting in my own updatable report. The code works well if I use an independent page but does not do anything as soon as I add it to the page with the MRU process.
The base query is like:
select '***' as select_plate,
htmldb_item.hidden(31,p.plate_id) plate_id,
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htmldb_item.text(37, PLATE_BARCODE, 30) plate_barcode,
PLATE_TYPE ,
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MODIFIED_ON ,
STATUS,
UPLOADED_ON,
decode(p.FILENAME, null, 'N', 'Y') loaded,
pr.run_id assay_run
from plate p, plate_run pr
where p.plate_type = 'zzz'
and p.plate_id = pr.plate_id (+)
the update process looks like
begin
:p2_message := 'ok0';
for i in 1..htmldb_application.g_f31.count
loop
:p2_message := 'ok1';
:p2_message := :p2_message || htmldb_application.g_f31(i);
--if htmldb_application.g_f31(i) is not null then
update plate set plate_barcode = htmldb_application.g_f37(i),
modified_by = htmldb_application.g_f33(i)
where plate_id = htmldb_application.g_f31(i);
--end if;
end loop;
I added the p2_message to kind of trace what is happening. ok0 gets outputed in the multi-region page and nothing happen for the aupdate; while on the test page with this report as the only regio, I get the expected behavior and the update goes in correctly!
Is it correct to assume that the g_fxx arrays global to a page? I used g_f3x just to make sure there is no conflict with the ones generated with the MRU process.
Any help/hint is appreciated
--Nabil

Hi Alex,
You can use more than one region in the same page or even you can create multiple report in the same page. But remember you can not create as many region as you want, ofcourse there is limitation. Same theory applies to item.
Hope this helps.
Regards,
M Tajuddin
web: http://tajuddin.whitepagesbd.com

Automatic row processing updating my primary key

Hi all!
In Apex 3.2, I've got an Interactive report with a DML form on a table. My table has a primary key which use a sequence (trigger based). When I created my forms, I specified that I wanted to use an existing trigger as the source type of the primary key.
When I try to create a record, it work. If I try to create a new record and save, my trigger give me an error message because the automatic row processing is trying to update the primary key too. (My trigger on the update specify that the primary key should not be updated).
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Is there a source type that I can change in my primary key item ?
Note : My primary key item (id_emp) is protected and hidden. If I display it as "Display only", the update works... But I dont need to see id_emp on my form.

OK,
From your first post, it sounds as though the process is trying to perform an INSERT rather than an UPDATE. It is, therefore, trying to create a new record using a primary key that already exists on the table.
If that is the case, then we need to go through the points along that route:
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Updatable report error: "Error in mru internal routine: ORA-20001"

Hi all,
i have a updatable report with a Multi Row Update process.
The report has 6 display column and 1 Select List column.
When i try to save any changes, the application shows this error:
"Error in mru internal routine: ORA-20001: Error in MRU: row= 1, ORA-20001: ORA-20001: Current version of data in database has changed since user initiated update process. current checksum = "D8B5C89AA33C8434C26DCF9A6ED939E4", item checksum = "39FB99A42FF86E64FD66D1F3C142C5F6"., ... "
This application allows many user's connections at the same time.
What can i do?
Thanks.

Hi,
Obviously, without these tables I can not check this, but I would suggest something like:
SELECT
'<img title="Click to enlarge" onclick="javascript:showImage(this);" src="#OWNER#.DISPLAY_IMAGE?inID=' || NVL(IMAGE_ID, 0) || '" height="30" width="30" />' FOTO, -- DISPLAYED
CA."E_UNI_OPER_K_UNITA_OPER", -- HIDDEN
CA."E_OPERATOR_K_OPERATORE", -- HIDDEN
CA."O_CARICO_UO", -- HIDDEN
CA."O_TIMESTAMP_RSS", -- HIDDEN
CA.K_MATRICOLA, -- HIDDEN
CA.K_MATRICOLA K_MATRICOLA_DISPLAY, -- PRIMARY KEY, -- DISPLAYED
CA.K_SERIAL_NUMBER, -- HIDDEN
CA.K_SERIAL_NUMBER K_SERIAL_NUMBER_DISPLAY, -- DISPLAYED
CA.E_UNI_OPER_K_UNITA_OPER_***, -- HIDDEN
(SELECT TMA.N_MODELLO_ASSET FROM TIPO_MODELLO_ASSET TMA WHERE TMA.K_MODELLO_ASSET = CA.E_TMODASS_K_MODELLO_ASSET) N_MODELLO_ASSET, -- DISPLAYED
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CA.D_RIFERIMENTO_CERTIF, -- HIDDEN
CA.D_RIFERIMENTO_CERTIF D_RIFERIMENTO_CERTIF_DISPLAY, -- DISPLAYED
CA.TIPO_CONFERMA_CERTIF, -- SELECT LIST
CA.D_INSERIMENTO_CERTIF, -- HIDDEN
CA.D_FINE_VALIDITA, -- HIDDEN
CA.E_TMODASS_K_MODELLO_ASSET, -- HIDDEN
CA.E_PG_SIGLA_K_PARTIZIONE -- HIDDEN
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WHERE CA.D_RIFERIMENTO_CERTIF IS NOT NULL
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AND CA.D_FINE_VALIDITA IS NULL
AND E_UNI_OPER_K_UNITA_OPER_*** = :G_UO
Note that you can not have a tabular form over multiple tables (if you had to do that, you should use a SQL view plus an INSTEAD OF trigger) - but, as you are only displaying data from the joined tables, you can use inline SELECT statements to retrieve the related data. All other columns should be either editable by the user or hidden - any hidden columns can also have a displayed version as well, so any DISPLAYED items above also have a HIDDEN instance as well.
Andy

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Hi APEX Community,
I recently started playing with Updateable Reports (MRUs). The functionality seems great but I can’t seem to find a place to write PL/SQL to restrict the records returned.
Usually I would use code (with report typr PL/SQL function returning SQL query) along the lines of:
declare
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     v number;
begin
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     q := 'select
     "PATIENT_ID",
     "EMP_ID",
     "CREATION_DATE",
     "CREATED_BY",
     "LAST_UPDATE_DATE",
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end;
However reports of type Updatable Report only except SQL not PL/SQL.
This seems to me quite simple functionality, am I missing something??
Thanks in Advance,
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Marc: In this simple case, yes, we can easily use standard SQL with bind variables referring to session state.
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select ...
from t
where (:P1_FILTER1 is null or filter1=:P1_FILTER1)
and    (:P1_FILTER2 is null or filter2=:P1_FILTER2)
and ...make the page very slow to load.
It would be much more performant to write the query as a PL/SQL function returning SQL query like
declare
q long;
begin
q := select ... from t where 1=1 ';
if (:P1_FILTER1 is not null) then
    q := q||' and filter1=:P1_FILTER1';
end if;
if (:P1_FILTER2 is not null) then
    q := q||' and filter2=:P1_FILTER2';
end if;
return q;
end;and still be able to use the builtin MRU and Add Rows processes instead of writing our own.
Maybe this could be an enhancement for 3.0?

Custom Report Headings Type forces headings to initcap

APEX V4.2.3.00.08
When I choose "custom" for my report headings type in a classic report they are forced to Initcap. How do I have mixed case in a report heading? I don't want words like "in","of" etc forced to initcap. I don't think I've seen this problem before. Could be a bug in V4.2 ??
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PPlatt wrote:
I'm using Theme 13 Blue Gray, Region template is "Reports Region". the Report Template is "Template 13 Standard". This is the bit of code in the Standard template under "Column Heading Template" that formats the report header
<th#ALIGNMENT# id="#COLUMN_HEADER_NAME#" class="t13ReportHeader">#COLUMN_HEADER#</th>
Is there some code I can put here that overides the inherent "Capitalization" without having to update the CSS file which contains the t13ReportHeader class?
You could, but it wouldn't be recommended. In 4.2, modify the page templates and add the following CSS override to the Inline CSS property:
th.t13ReportHeader {
text-transform: none !important;
Why are you using such an ancient theme in 4.2?

Can a process update report Headings?

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