Need to create a Master Detail Form

Hi Gurus,
I have a requirement to create a Master Detail Form. As per my requirement I have a list of Invoice Numbers and once I click on a Invoice Number a new form should open and that Form should contain two regions:
1. Master
2. Detail
1. Master Block should have the Invoice Header Detail which is non-updatable.
2. Detail Block should be able to perform create, update and delete the lines from here. This detail block should have multiple lines so that user can enter data to create new records in it.
Kindly let me know your valuable inputs on this. Please share any document, site or any other information on this.
Thanks,
Sandy

Normally, you would create 2 EOs say a MasterEO and DetailEO
Then Create an Association Object Between them based on the PK-FK relation say MasterToDetailAO
Then create 2 VOs Based on the 2 EOs already created, say MasterVO and DetailVO
Then create a ViewLink between them, MasterToDetailVL
Then add the master VO to ur AM
And Attach the VL created to the instance of the MasterVO in the AM.
So the DetailVO will be now linked to the MasterVO via the VL
U just need to query the master records and the details will automatically be displayed

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Thanks

Hi James,
I think that Mike is suggesting that you create a SQL View over the table and join together the individual primary key values into a single, unique, pseudo primary key. You can still include the individual columns in the SQL but you can then use this new column as the primary key on a form. However, you would also need to create INSTEAD OF triggers to handle inserts/updates/deletes as SQL will not allow you to update tables through a view. (See: [http://download.oracle.com/docs/cd/B28359_01/appdev.111/b28370/create_trigger.htm#i2064426] for the Oracle details on this or Re: How to update view resp. table for an example within Apex).
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Hi,
You can have multiple regions with data from different tables on a single page.
It all depends on the design of your database and pages, how you're going to solve this. Sometimes you need to create a database view to select data from multiple tables, sometimes you'll just create more than 1 region on your page.
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how to create a master detail form using single table.
Regards,
M. Satish

Hi
how to create a master detail form using single table.Make the Master ur pks the details the rest of ur data base field in the detail it's a mater of organizing fields on a form M-Detail...
Now What ?
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******** START ERROR **********
Thu, 15 Mar 2001 23:02:16 GMT
ORA-06502: PL/SQL: numeric or value error
ORA-06512: at "CC_INTRANET.WWV_BIND", line 56
ORA-06512: at "CC_INTRANET.WWV_UI_LOVF", line 3123
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ORA-06512: at "CC_INTRANET.WWV_UIFORM_BUILD", line 5567
ORA-06512: at line 8
DAD name: cc_intranet
PROCEDURE : CC_INTRANET.wwv_uiform_build.show_header
URL : http://webdb.us.colorcon.com:7777/pls/cc_intranet/CC_INTRANET.wwv_uiform_build.show_header?p_wizard_mode=MASTER&
********** END ERROR ********
any ideas anyone ... ?
thanx in advance ...
null

more information on above -
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Hi,
I tried to create a master detail form. I went through all the steps fine, only when i click the button to create the form, i received the following errors:
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[Mon Mar 2 11:41:31 2009] [error] [client 10.64.8.231] [ecid: 1236012090:148.94.143.136:24226:0:1621,0] mod_plsql: /pls/apex_qmnt/wwv_flow.accept HTTP-404 ORA-06502: PL/SQL: numeric or value error\nORA-06512: at line 31\n
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Anyone know why we might get this error trying to create a Master Detail form in HTMLDB 2.0?
ORA-20001: Unable to create master detail page. ORA-06502: PL/SQL: numeric or value error: character to number conversion error
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Return to application.

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hi
I have created a master detail form , in which many validation etc is done ,the MASTER is a FORM and DETAIL is a REPORT
Now I am stuck up with the detail region .i.e report
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Using POP UP LOV i have managed to fetch in LOV for the item "ITEM_ID",--- i can select an item name using the pop up LOV ,
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"197331",
For Source Value, try uppercase instead: APPSDEPENDENTON
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Error in Master Detail Form

Hi All,
i m getting the following error when i m creating a master entry ...
ORA-06550: line 5, column 23: PL/SQL: ORA-02289: sequence does not exist ORA-06550: line 5, column 16: PL/SQL: SQL Statement ignored ORA-06550: line 8, column 16: PLS-00364: loop index variable 'C1' use is invalid ORA-06550: line 8, column 9: PL/SQL: Statement ignored
but while creating the master detail form i had specified the corresponding sequences and they even exist in the DB.
Please ! do help me .
Thanks & Regards,
Nandini Thakur.

Hi ,
Though u choose the schema name ...the sequence is not appended with the schema name .
Example you are craeting the application in schema 1 and ur database objects are in schema 2.
so while creating the Master detail form you will get the option of choosing the schema, but then also the sequence name is not appended (as this may be the problem or bug in apex) .
so one needs to manually go and append the schema name.
In master detail form one needs to append it
1) Form of the Master ...the process called as get primary key there the sequence name should be appended
ex:- myschema.seq
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Nandini Thakur

Master detail form ... EXTREMELY URGENT

gurus,
here is my situation -
i have 2 tables ...
master ---> base_rate_type
detail ---> base_rates
the detail table has base rates for the base rate type in master. the detail can have multiple records but, only one active base rate.
when the form is run, the user needs to see only the active base rate and on a click of a button the user needs to see the history of all the base rates (all inactive ones and one active).
this is what i'm doing --
1. created a view (base_rates_v) of all the active base rates from the detail table.
2. created a master detail form -
master ---> base_rate_type
detail ---> base_rate_v
the form shows only active records.
3. created a custom button in the detail. the custom button displays all the records from base_rates table for that master.
4. HERE IS THE PROBLEM -
user can enter future base rates (active in future), but the user cannot enter another base rate which would be active rightaway, which means there will be only one base rate ACTIVE at any point of time.
how would i validate the new base rate against the current ACTIVE BASE RATE ... ?
i think i could do it in INSTEAD-OF TRIGGER but, then how would i convey the error message back to the user as a ALERT .... ?
is it possible to alert the user from PL/SQL section of the Portal button ... ?
any ideas anyone ...
thanx a lot ...
null

dmitry,
here is what i'm looking for -
a base rate type can have multiple base rates, each having a start date and a stop date. at any point of time only one of them would be active.
for example -
Base rate type --> Type A
Base Rate Start Date Stop Date
7.5 10-jan-2001 10-feb-2001
7 11-feb-2001 10-mar-2001
8 11-mar-2001 9-jun-2001
7 10-jun-2001 10-jul-2001
5 10-oct-2001 10-nov-2001
so in above case the second last one is active.
the requirement is when i run the form it should show only active and future base rates. the last one in the above example is future base rate.
so, i created a view on detail table that shows only active and future base rates. and then a master detail form (the view being the detail). i also created a custom button in the detail section, that would open a report and show all the base rates for a particular base rate type ('A' in above case).
the VALIDATION that is required in the form is as follows -
the form displays following -
Base rate type --> Type A
Base Rate Start Date Stop Date
7 10-jun-2001 10-jul-2001
5 10-oct-2001 10-nov-2001
if the user enters a new base rate as foll -
Base Rate Start Date Stop Date
8 15-jun-2001 15-jul-2001
then the new base rate overlaps with the existing active base rate. if it so happens i need to ALERT the user that a active base rate already exists for that period.
how would i achieve this ... ?
it does not matter if i validate it using JS or pl/sql.
i was thinking JS would be difficult to use considering, the validation needs to go and check the existing base rates in the table.
any ideas ...?
thanx a lot ...
null

Need to create a Master Detail Form

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