Master-Detail forms no longer work in Access

Hi
We have migrated an Access 2000 application into an Oracle 9i database successully. However, the application has a master-detail form that functioned correctly before migration. Since migration the child form does not appear, thus preventing the entering of a new child record.
Before migration the detail form appeared as a totally blank form. Now the detail form simply doesn't appear. The detail form is based on a select statement which selects data from a stored query. I am suspicious that this is the cause as during tests I have tried manually creating a simple master-detail form and can see this working. I was able to get the test form to fail to produce a blank subform when the subform was based on a select statement however, attempts to change the real form to look at a table rather than a select statement don't solve the problem.
We have looked on the Oracle forums, but the only error matching our requirements was posted in March 2001 with no real answer (Q: unable to launch subform after migration
This seems a problem that would not be uncommon so surely we have omitted doing something obvious.
Any help greatly appreciated.
Regards
Tim Broome

Hello. I believe I found the answer to the problems yesterday. After trying everything I could from different forums and getting nowhere, I looked at the Adobe Properties by right clicking on the program. Once in Properties, there is a compatability tab. I run Windows 7 Pro 32bit. Nevertheless, I selected the box that says "Run this program in compatability mode for" and then selected Windows 7. It seems ridiculous to run the program in compatability mode for the OS I actually have on my system but it has done the trick. All forms work now and my other PDF issues around the office have been resolved. The only downside is that some PDF documents are printing slowly, but at least everything works.
ps: I first tried running compatabiilty mode for XP but it caused several credentialing issues with my systyem and our network, allowed forms to work, but only if they originated from my system (not the network) and did not allow other PDFs to open.

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Hi,
I am relatively new to APEX. I am creating a master/detail form. It works well. When I add new items the older items are no more populated. Why ?
For example I have an itme which is a select list as a Named LOV. At creation of the row I want the user to choose from this select list. It works well.
But when modifying the record, I don't want the user to change this name. For that purpose, I create an item which is a display only item. This item is conditional and appear only when the record has been created.
And this is where the problem comes. It seems to work but, if I logout of the application and login, then values are no more populated to the items and I get an error when trying to update the form.
I hope I make it clear. I have been trying a lot of times and found that if I add items, then everything goes wrong.
Thank you for your kind help.
Christian

Hi Christian,
You don't say what the error is that you are getting - this may help us with your problem!
On the form, do you now have TWO fields - one being the original select list and the other being a read-only version of it? Is it likely that BOTH fields could appear on the page at the same time AND that both are connected to the field on the table?
You can set the select list to be read-only conditionally - in this case you could make it read-only on the condition of the primary key field not being null.
Andy

Auto Query in Master Detail Form using dynamic page doesn't work

I created a Master-Detail form, and implement AutoQuery using a dynamic page
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<HTML>
<BODY>
<ORACLE>DECLARE
nre_ VARCHAR2(100);
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net_portal.Popula_Docs_Agregados (nre_);
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I changed query:
select
Replace(
'<img src="#IMAGE_PREFIX#ed-item.gif" border="0" alt="EditMap" usemap="#editmap***id***"></img>
<map name="editmap***id***">
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|| '_ID,P'
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) Edit,
id,
type,
name,
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Check:
http://apex.oracle.com/pls/otn/f?p=20980:13
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Edited by: le on Nov 3, 2010 11:11 AM

Custom Master Detail form not working In EBS

Custom Master Detail form not working In EBS
Hi all,
I have two custom tables -- 1) XXX_DIE_Headers
2) XXX_DIE_LINES
I developed a Master Detail form based on above tables. XXX_DIE_Headers is the Master Block (Single record) & XXX_DIE_LINES is the detail block ( Multi line block ).
Yes, I used Appstand,Template.fmb for developing this form. The Master block has three fields out of which Two are required fields and i have given initial value for them.
As i deployed it in APPS(EBS),everything about it is working fine (insert,delete,master-detail behaviour) except querying.
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I don't want this message to pop up.
The scenario is :- I open the form.( without entering ) Press F11 . The message Pops up.
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regards
ravi

It seems that you are changing a database value in your form, do you have any changes in WHEN-NEW-FORM-INSTANCE???
what the form is trying to tell you that you have changed something, do you want to save it?
I suggest you debug your form and see what's happening step by step.
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How to access detail-rows in master-detail form?

I have a master-detail form(one to many relationship). The master and detail are in separate blocks. The detail rows are displayed in a tabular form.
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go_block(detail)
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Default reference ID in Master Detail form

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I created a master detail form.
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Amanda

I am using 3.0.9 and its working fine for me. Which version r u in? Are you gettin 'Join Conditions' page where you can define PK/FK relation and that will take care of what you want. There is a javascript on faq for portal which you can use if your version is not supporting this one.
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</script>');
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this script works for a form with single block but, does not work with the master detail form.
what is wrong here ... ??
any ideas or suggestions ...??
thanx a lot.
null

Thank you, Denes,
but isn_t there a simplier way to use a third column ?
I will keep your idea in mind and try out as soon as possible.
With kind regards,
Hergen.

To attach a RTF template(Report for printing ) in the master detail form

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Pars I need another Help
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Defining the element attributes as Disable .
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Master-Detail Form (How to pass an item value in Master to Detail field

I have a Master-Detail form. When adding a new record in the Detail section, I expect the primary key in the master record will copy down to the detail record. But, it is not doing that. Does anyone know how to pass the master primary key down to the detail record field.
By the way, query works fine. It knows the master-detail relationship. It is just when creating a new detail record, the key not pass down from the master record.
thanks - Patty

hi,you can do it by:in detail form's foreign key field,set it's default value as master primary key ,example master page p1,primary key as p1_master,detail form p2,foreign key p2_foreign, set p2_foreign key 's default value &p1_master.
Message was edited by:
lixinzhu

Is this a bug? master rowid value lost when saving on a master/detail form

master/detail forms seem to lose the rowid after saving, if the unique identifier is set to ROWID
to reproduce the problem:
1) create a master detail form on DEPT/EMP
-- choose 'Managed by Database (ROWID)' on the 'Define Primary Key' page.
-- do not include master row navigation (but i don't think this matters)
-- choose 'Edit detail as tabular form on same page' on the 'Choose Layout' page
-- include the master report
2) on the master/detail page, change the conditional branch that returns to the master report page
-- the normal condition for this branch is request in SAVE,DELETE,CREATE
-- change it to request in DELETE,CREATE
3) run the form and save a change
-- saves fine, session shows the ROWID value is still set
4) save a second change
-- change does not save, form reverts to Create mode
this problem does not occur when using the primary key columns instead of rowid
see http://apex.oracle.com/pls/apex/f?p=60813:7 for the ROWID version
see http://apex.oracle.com/pls/apex/f?p=60813:11 for the PK column version

Hi Saverio,
Bug *13563808* has been logged to track the reported issue, and a fix will be made available in a future release. Just to clarify, this issue is only arising when the APEX-generated Master-Detail is modified post-generation, so for users who have not modified their Master-Details using ROWID to manage their DML processes, they should not experience this issue.
In relation to my workaround, my suggestion works in my test environment, which I verified before posting the initial suggestion. Please note that the 'Reset Page' process is, by default, conditional on the "Delete" button being pressed. If you have made further modifications to your Master-Detail page, then this might explain why you're seeing different behaviour to me. You might using the "Debug" option on the Developer Toolbar useful. Viewing the debug information should help you to decipher what's going on/wrong on your page. If you still can't resolve the issue, then the safest option might be to revert the page back to it's original state, meaning the user navigates back to the Report page upon submitting changes to the Master-Detail Form page.
Regards,
Hilary

How to determine the ROWNUM in a Master Detail Form

Hello,
I am working in a Master Detail Form with Orders and Order Items Information; and I created a process that allows the users to select a Product ID on a tabular form, and the next column is populated automatically with the Product Description.
To achieve that, I followed some instructions by Denes Kubicek (http://apex.oracle.com/pls/otn/f?p=31517:241), but my case is slightly different:
<ul>I am using a wizard-created tabular form, instead of a manual tabular form; and </ul>
<ul>Instead of using another page as a Popup to pass the parameter of the ROWNUM, I am using a plug-in called “Tabular Form Super LOV” which is a modified version of the SkillBuilders’ Super LOV that works on Tabular Forms. </ul>
The Product ID is returned in the correct row by the plug-in; but in the case of the Product Description, it is always returned into the first row; and my problem is that I don't know how to determine the row where the user clicked to call the plug-in.
I set up an example in apex.oracle.com in case someone would like to look at it:
Workspace: ediazjorge
Username: test
Password: test
App Name: Sample App
App Number: 1550
BTW, I am using Apex 4.1.1.00.23 and Oracle DB 10.3.2.
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Erick

Hello VC,
Thank you for your time and help.
Unfortunately, it is still not working properly:
1. When the Popup LOV opens, the first row of the tabular form is 0, the second row is 1, and so on. How can I assign the values starting with 1 and in the format *0001* ? (I am still a novice on Apex and new to JavaScript :-), sorry about that).
--2. Also, when I close the Popup LOV, the value of P1_ROWNUM is ‘undefined’ again so I'm not sure if the Product Name column will be populated.--
3. And finally, you are using the jQuery Selector uPopupLOVIcon, which is an attribute of the Cloudy Theme. In my real application (Apex 4.1.1.00.26), my element looks like: *<img src="/i/lov_16x16.gif" width="16" height="16" alt="Popup Lov" alt="List" style="vertical-align:middle;" align="middle" />*. What do you recommend me to use as a jQuery Selector?
Again, I really appreciate your help and time. I think you solved the most difficult part.
Thank you so much,
Erick
Update: I just found out that the problem with my comment 2 is because I didn’t delete the previous dynamic action that set the value to P1_ROWNUM.
Edited by: ediazjorge on Sep 18, 2012 11:20 AM

Insert error in master-detail form

Probably a stupid question. When I populate the master block of
a master detail form from an LOV, I am asked to save the form.
Since the information is loaded from the LOV, there are no
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to the primary key violation in the master block table. If I
answer no, it opens the detail block and gives the correct
information. The problem is that when I enter information into
the detail block and try to save it, I get the same error
message regarding the primary key violation in the master block.
The form works fine if I do not populate the master block from
the LOV (or from select statements in triggers). Any suggestions
will be appreciated.
LS

Hi,
Check for the form or block status.Looks like the status has
changed.Thats why u r getting the message.If any of the base
table item has changed then u will get such a message.Try
working on this an check it out.
Thanks
Vinod

Download link in master detail form

I am trying to store a PDF file in the DB and then allow users to click on a link to download it. However, I can't get this to work properly. The report region definition does not allow me to alter the source. What I did was create a master detail form and report. Then, I changed the format mask of the field that will be the PDF download link to BLOB and I got this error: ORA-06502: PL/SQL: numeric or value error: character to number conversion error To fix this I need to alter the source code and add the following dbms_lob.getlength("BLOB_CONTENT") as "BLOB_CONTENT". How can I do this if the report region definition is not allowing me to edit it? Is there any other way to do this?

"197331",
For Source Value, try uppercase instead: APPSDEPENDENTON
Sergio

Master Details Forms- Report getting error

Dear All,
I have used master details form . In details form , i am having 50 fields . i am able to add row. after that it is showing error ike below.
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 = "D63F13336F2D8570B20FC4825A7B836A", item checksum = "809B7E0170040C75637E80BE2D464C77"., update "SIFY"."REG_MANAGER_DETAILS" set "RMD_ID" = :b1, "RMD_RM_ID" = :b2, "RMD_ACMAN_NAME" = :b3, "RMD_CONN_OT_CUR" = :b4, "RMD_CONN_RS_CUR" = :b5, "RMD_CONN_HW_CUR" = :b6, "RMD_HOST_OT_CUR" = :b7, "RMD_HOST_RS_CUR" = :b8, "RMD_HOST_HS_CUR" = :b9, "RMD_EAS_OT_
=============================================
What will be solution to resolve this type of error ?
Please help me to resolve this. Thanks in advance.
Regards
Dhanush.R

Dhanush,
This is an optimistic locking checksum error. It's trying to tell you that it can't save because someone/thing has updated the data already and it doesn't want to overwrite it. Is that always occurring?
Regards,
Dan
Blog: http://DanielMcGhan.us/
Work: http://SkillBuilders.com/

Master/Detail form with modal edit

I have a master/detail form that I generated using the wizard that I want to change to have a modal Edit button; i.e. the behavior I want is that the form view is initially read-only and you then have to click an Edit button to make the form editable.
I figured out how to do this for the master row by making the edit button redirect back to the same page with the request set to 'EDIT' and then making all the page items read-only with a condition REQUEST <> 'EDIT'.
I cannot find a good way to do this for the detail rows, which are actually a report with editable columns. The problem is that the 'Tabular Form Element' section of the 'Column Attributes' page does not have a read-only condition.
The only work around I can come up with so far is to have a second read-only report region with the same SQL query and then display either the editable or non-editable report region conditionally depending on whether the request is EDIT. But this obviously not ideal (having same SQL in two places, etc.).
If anyone can think of a better way to do this, I'd be grateful.
HTML DB Team: Can you log the addition of a read-only condition attribute on editable report columns as an enhancement request?

Simply add the lookup table to the FROM clause and join its PK with the FK in the master table in your query. That's basic SQL, and you definitely must get a good grasp of SQL to do more than very basic work in APEX.
For a good example, please see http://download.oracle.com/docs/cd/E10513_01/doc/appdev.310/e10498/build_app.htm#BCEBJJGB
While you're at it, read and implement the tasks outlined in the 2 Day + Application Express Developer's Guide - http://download.oracle.com/docs/cd/E10513_01/doc/appdev.310/e10498/toc.htm. After that, read the "Oracle Application Express 3.0-- Building a Functional Application" OBE in http://www.oracle.com/technology/obe/apex/obe30/apexdev30.htm - great stuff.
Georger

Master-Detail forms no longer work in Access

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