Number of Rows on Master - Detail Form

I want to dynamically display the number of detail rows.
I can get the number of rows to be displayed by entering this PL/SQL code before displaying the page:
declare
cnt number;
begin
SELECT count(*) into cnt FROM table WHERE client = "Ford";
end;
How do I tell the 'Number of Detail Rows to Display' field on the 'Options for Detail Row' page to use this value?

Let me answer my own question.
Set the number of rows to 500 and it will dynamically set to the number of rows.

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How to display more rows in Master-detail form

I am working on APEX3.2.
I have a master-detail form. The detail form always display 15 rows. However, my customer wants the detail display all the rows. I tries to configure the Number of Rows in the report. It doesn't work. How do I do it?
Thanks a lot!

Hi:
To increase number of rows displayed you have to set Number of Rows and pay attention to both Number of Rows (Item) and Maximum Row Count.
After that if didn't work, sign out or close the browser then open it again. Sometimes it keeps the value in current session.
Saad,

About having multiple blank rows on master detail form

Can I have multiple blank rows on detail form when I create master detail form?
please help me
shuyue

Let me answer my own question.
Set the number of rows to 500 and it will dynamically set to the number of rows.

Populate row of master detail form with selection from LOV?

Hi Guys,
Total noobe, Hope you can help me out with a project I am working on in Oracle Apex 4.1 with 11g XE
I am sure this is a simple enough issue but I just can’t see the solution.
I have a table called ‘STOCK’ this contains all new parts and delivery details.
‘STOCK_ID’ NUMBER PK
‘DELIVERY DATE ‘ DATE
‘PART’ VARCHAR2
‘PART_SN’ VARCHAR2
‘PART_AN’ VARCHAR2
‘INSTALLED’ CHECKBOX
I have a table that list all the current physical locations of hardware for example
ID, Till number, store location etc…
I have an table to list the devices and modification to the hardware in these store locations.
Move Date, Device, Device Serial number, Device Asset Number, Comments
I have a report & form that displays all the current physical locations of hardware and a master detail form linked to this to add devices and modifications to each store location.
I have a LOV setup on the Devices column that is based on a simple select query
SELECT PART from STOCK
ORDER BY 1
This provides me the list of parts in the stock table.
What I need to figure out is how do I get the data from the ‘STOCK’ table when I select a part in the LOV to auto populate ‘DEVICE_SN’ ‘DEVICE_AN’ in my master detail tubular form. this information is contained in the 'PART_SN' & 'PART_AN' columns of the STOCK table.
I also need to figure out how to identify the part because by default the LOV only displays one column and I have no idea which part I am selecting other than by name. i could use a popup LOV and scan a barcode into the search box and get the retuen value to display the part name in the field.
I also would like to reduce the number of records displayed in the LOV by using the ‘INSTALLED’ checkbox i.e. if checked this part has been used and will not be available for selection. The ‘PART_SN’ field can be duplicated as we often get the same part back again as a replacement after repair but this should be valaditated against i.e if the parts is ticked as installed and not available for selection in the list it can be added again this could possibly be validated based on the ‘DELIVERY DATE‘?
I hope this make some sense to you guys if you need any further details let me know.
Cheers
Darren

Hi,
I am from the Oracle Forms background too and I have been using Oracle Apex for a while. Oracle Forms is just like client-server application although it uses the Forms servlet to render its Web front-end. I think...if you're really trying to develop true-Web application, you should try to forget such features as "master with many details" in Oracle Forms. Loading all the details in a single page will cause overheads anyway. When you discover more about ajax and such third-party javascript libraries as jquery and mootools, you'll have a different mind of Web development.
Thanks.
Andy

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.
I need to access the detail-rows since the database writes for the detail rows will be managed by a procedure.
I have been looking through the documentation and have been unable to find any syntax for iterating through the detail-rows.
Any help is appreciated. Thanks.

go_block(detail)
first_record;
in a loop while not last_record
-- do your stuff
next_record;
end loop;

Add Row in Master Detail Form

Hi all,
I wonder if there is a way to just Add Row in the master detail (tabular) form without actually submitting the page. So if user has updated any existing row before clicking the Add Row button, the update should not be submitted by Add Row button click. If this is possible, then I want to submit (insert) the newly added row as well as any updates made to the existing rows when user click the "apply changes" button.
Any luck?
Thanks for the help.
Milaan

Hi Andy,
Thanks for your response. Here is what I am doing... On submit I am calling another page (popup) for user to enter electronic signature. So when they add row (which is a submit), it calls the electronic signature page popup, and only upon entering the signature (nuisance at this point) it adds a row in the tabular form. Is there a way to change this behavior to not to submit the page every time user click Add row button?
Thnx
Milaan

Insert new row to master - detail form using bindingsource

Hi all,
I have a form to analyse price of product, the form include master (textbox:slip ID,datetimepicker : date) and detail(datagridview:slipID,productID,price..)
When I insert new row as below code, all inserted to DB but not show on form, I must close and reopen the form the new row will show, how i must to do to fix it
please help, thanks
Select data when form load
ds = New DataSet
damaster = New SqlDataAdapter("select soPTG,ngaybd,ngaykt,khoa = case when sttesign =0 then 'True' else 'False' end from tbl_PTGMaster", conn)
damaster.Fill(ds, "tbl_ptgMaster")
dadet = New SqlDataAdapter("select [SoPTG],[Mahang],[gianhap],[thuesuat],[laigop],[giacu],[giamoi] from tbl_PTGDetail", conn)
dadet.Fill(ds, "tbl_ptgdetail")
ds.Relations.Add("PTG_rel", ds.Tables("tbl_ptgmaster").Columns("SoPTG"), ds.Tables("tbl_ptgdetail").Columns("SoPTG")).ChildKeyConstraint.UpdateRule = Rule.Cascade
BindingMaster.DataSource = ds
BindingMaster.DataMember = "tbl_ptgmaster"
BindingDetail.DataSource = BindingMaster
BindingDetail.DataMember = "PTG_rel"
gridchitiet.DataMember = "tbl_ptgdetail"
txtptgnumb.DataBindings.Add("text", BindingMaster, "soPTG")
dtstart.DataBindings.Add("Text", BindingMaster, "ngaybd")
dtend.DataBindings.Add("Text", BindingMaster, "ngaykt")
cmdlock.DataBinding.Add("Enabled", BindingMaster, "khoa", True, DataSourceUpdateMode.OnPropertyChanged)
setStatus()
SetHeader()
Dim cmdinsert As New SqlCommand("insert into tbl_PTGMaster(SoPTG,ngaybd,ngaykt) values(@SoPTG,@ngaybd,@ngaykt)", conn)
cmdinsert.Parameters.Add("@soPTG", SqlDbType.Char, 10).Value = txtptgnumb.Text
cmdinsert.Parameters.Add("@ngaybd", SqlDbType.DateTime).Value = dtstart.Value
cmdinsert.Parameters.Add("@ngaykt", SqlDbType.DateTime).Value = dtend.Value
damaster.InsertCommand = cmdinsert
damaster.FillSchema(ds, SchemaType.Source)
cmdinsert = New SqlCommand("insert into tbl_PTGDetail(SoPTG,mahang,gianhap) values(@SoPTG,@mahang,@gianhap)", conn)
cmdinsert.Parameters.Add("@SoPTG", SqlDbType.Char, 10).Value = txtptgnumb.Text
cmdinsert.Parameters("@SoPTG").Direction = ParameterDirection.InputOutput
cmdinsert.Parameters.Add("@mahang", SqlDbType.Char, 10, "mahang")
cmdinsert.Parameters.Add("@gianhap", SqlDbType.Decimal, 8, "gianhap")
dadet.InsertCommand = cmdinsert
dadet.FillSchema(ds, SchemaType.Source)
gridchitiet.FinishEditing()
BindingMaster.EndEdit()
damaster.Update(ds, "tbl_PTGMaster")
ds.Tables("tbl_PTGMaster").AcceptChanges()
BindingDetail.EndEdit()
dadet.Update(ds, "tbl_PTGDetail")
ds.Tables("tbl_PTGDetail").AcceptChanges()
BindingMaster.ResetBindings(False)
BindingDetail.ResetBindings(False)

Hello,
The base idea here is if the record is added successfully you would then get the new primary key then manually add the record to the underlying data source. Does not matter if we are talking a single table or a master-detail setup.
The following shows the basics
https://code.msdn.microsoft.com/Adding-new-records-into-bff5eaaf
All of the above is done without using a DataSet yet the same thing needs to happen with a DataSet, simply focus on the one table.
Please remember to mark the replies as answers if they help and unmark them if they provide no help, this will help others who are looking for solutions to the same or similar problem.

Problem: trying to update all detail rows on pre-commit (MASTER DETAIL FORM

Hi:
I got a MASTER DETAIL form... and I need to update every detail row of this form (if the master was updated) before commiting the changes. the problem is that i cannot do that for instance in PRE-COMMIT or ON-COMMIT... it's an "illegal operation". I achieved part of it by coding KEY-COMMIT... but that did not solve the all problem. first take a look of the kind of code i want execute before commiting.
form trigger key-commit code is is somehow like this:
DECLARE
tot_line NUMBER (3);
line NUMBER (3);
begin
IF NAME_IN ('system.form_status') = 'CHANGED'
THEN
GO_BLOCK ('DETAIL');
LAST_RECORD;
tot_line := GET_BLOCK_PROPERTY ('DETAIL', current_record);
FIRST_RECORD;
line:= 1;
LOOP
:detail.quant := :detail.quant + 1;
EXIT WHEN line= tot_line;
next_record;
line:= line+ 1;
END LOOP;
FIRST_RECORD;
GO_BLOCK ('MASTER');
END IF;
COMMIT;
end;
The problem is for instance when the users close form in the "X" button (right top, near minimize form) ... If they do that Forms ask "Do you want to save changes?" ... and with this i do not execute the update of the detail rows...
But there are other situations when this happens... for instance if EXECUTE_QUERY when i change a record...
Anyone help?
Joao Oliveira

Use PRE-UPDATE trigger (Master block).
begin
update <detail_table>
set quant + 1
where <detail_table>.<relaition_column1> = :<Master_block>.<relaition_item1>
and <detail_table>.<relaition_columnN> = :<Master_block>.<relaition_itemN>
and <detail_block_WHERE>;
EXCEPTION WHEN OTHERS THEN NULL;
end;

Master detail forms..increase the detail rows by clicking a button

hi all,
i have a problem, in my master detail form i have set the details rows as 8. can i give an option to the user such as a button, on clicking which he can increase the number of detail rows by say 2 or 3.
can any one help me out on this???
Thanks in Advance
Rajesh

Hi Rajesh,
This is not posible in the current model of the portal forms , the no of detail rows can be set only at the design time.
rahul

Add multiple rows in detail form in master detail form

Hi,
I have a master detail form to enter survey responses. The master form captures the participant information and the detail form will carry the survey responses. After entering the master record, I need the detail rows to be populated with the survey questions stored in another table. The respondent will then update the response for each row in the detail form. Only after all the responses are filled out, clicking the save button should the detail records be committed.
Is there a good way to achieve this.
Thanks in advance
Gopal

Sorry, did not check OTN until this afternoon. Busy checking existing Apex pages on my project :)
Our region to populate the tabular form has the tabular form fields defined as Display As Text (saves state). Non-enterable fields are defined as "Display as Text (saves state)". A tabular form results from these definitions.
Because Apex won't generate code to handle multipe row tabluar form inserts we wrote our own as an After Submit PL/SQL process, something like
DECLARE
v_rows_found_n number;
BEGIN
--code for debugging
raise_application_error(-20000,'Hello World: '||
    apex_application.g_f03(12)||':'||
    apex_application.g_f04(12)||':'||
    apex_application.g_f05(12)||':'||
for i in 1..apex_application.g_f01.count loop
    BEGIN
      --attempt update first
      update whatever
         set field4 = apex_application.g_f05(i)
       where field1 = apex_application.g_f03(i)
         and field2 = apex_application.g_f04(i)
         and field3 = apex_application.g_f02(i);
      v_rows_found_n := SQL%rowcount;
    --if no rows were updated perform an insert
    if (v_rows_found_n = 0) then
       insert into oe_metric_values(
         field1,         --1
         field2,         --2
         field3,         --3
         field4          --4
      values(
        apex_application.g_f02(i), --1: field1
        apex_application.g_f03(i), --3: field2
        apex_application.g_f04(i), --2: field3
        apex_application.g_f05(i) --4: field4
    end if; --did update operate on any rows?
--exception
-- when others then
--    raise_application_error(-20000,'i'||':'||
--      apex_application.g_f03(i)||':'||
--      apex_application.g_f04(i)||':'||
--      apex_application.g_f05(i)||':'||
    END; --internal loop block
end loop; --loop through tabular form submit elements
end; --pl/sql blockI had to get the identities of the f01, f02 etc. identifiers by looking at the HTML code in the rendered form because Apex assigns those values as it will. Anytime the column display changes in any way i have to go through and make sure the identifers have not changed.
Hope this helps.

Limit on number of columns details of a master detail form/report

Hi,
I understand that there is a limit to the number of columns you can have in a master detail form/report. I am on Apex 4.01 and have a detail section that shows 24 months at a time as columns with integer hours assigned each month. My master detail was working fine with as many as 24 months/columns in this detail section, but I tried to re-use months by 'recycling' months, clearing them out of values and adding the months to the end of each row but now I am getting errors even though I had more columns showing before my 'recycliing' of the columns. The error is:
"ORA-06502: PL/SQL: numeric or value error: character string buffer too small "
What I don't understand is -- why am I getting this error now when I actually had more columns in the detail section months ago, and all I am doing is 'recycling' prior columns back into the detail report, not actually adding columns.
Thanks for any insights anyone can give.
Pat

DBA tells me that we are at 9.0.2.2.14, (higher version than the one you suggested) but I still get the same error.
Thanks,
Karuna

Insert multiple row of BLOB using Master Detail Form

Hi,
I try to insert multiple photos in a master detail form (just like we upload attachments when sending email), but it seems that the Tabular Form doesn't support adding a row with BLOB. I have searched the User's Guide and API Reference, but no answer on this issue.
Anyone can help?
regards,
Wei

Many thanks,
I find another way. I released the FK of these two tables and used the code:
Insert into PRODUCT_INFO (TITLE) values(:P1_TITLE);
IF ( :P1_PHOTO1 is not null ) THEN
INSERT INTO PRODUCT_IMG(PHOTO, MIMETYPE, PROPERTY_ID)
SELECT blob_content,mime_type, "PRODUCT_INFO_SEQ".currval
FROM APEX_APPLICATION_FILES
WHERE name = :P1_PHOTO1;
DELETE from APEX_APPLICATION_FILES WHERE name = :P1_PHOTO1;
END IF;
IF ( :P1_PHOTO2 is not null ) THEN
INSERT INTO PRODUCT_IMG(PHOTO, MIMETYPE, PROPERTY_ID)
SELECT blob_content,mime_type, "PRODUCT_INFO_SEQ".currval
FROM APEX_APPLICATION_FILES
WHERE name = :P1_PHOTO2;
DELETE from APEX_APPLICATION_FILES WHERE name = :P1_PHOTO2;
END IF;
The disadvantage is that I have to set a certain number of items for inserting photos; the max numbers of uploaded photos cannot decided by users.
Regards.

Master Detail Form - unable to add detail row

Dear,
I have a test application that runs for years on apex.oracle.com.
Since 3rd of june 2010 I am unable to add rows on a detail form.
Any ideas?
Help is welcome!
Kind regards
Lorenz

4.0 Conversion Issue
Lorenz stated I can create the orderheader, but unable to create orderlines.Simply nothing happens, when I click the add row button.>
I share the same issue as Lorenz, on a Master/Detail form, I am able to create my Master row and but nothing happens when attempting to create detail rows. I was able to switch my application to theme 13 (Traditional Blue) from 2 (Blue and Tan) and was then able to create and add details rows.
My dilemma. When switching to theme 13 and others, none appear to support Two Level Tabs in the same manner as Theme 2. Essentially the applications look and feel is not going to go over well with my user base of 3+ years.
Is there another standard theme that will support Two Level Tabs like Theme 2 and allow the addition of detail rows on a Master/Detail form?
Is this a reported 4.0 conversion issue?
Jeff

Portal Master-detail form how to auto assign detail record sequence number

Portal Master-detail form how to auto assign detail record sequence number.Please help me?

You can just read the following section
Can I specify a sequence number generator as the default value for a form column?
Yes. Enter the following in the "default value" field for the column:
#<schema name>.<sequence name>.nextval
where <schema name> is the name of the schema containing the sequence, and <sequence name> is the name of the sequence. The entry is preceded by a "#".
For example, if the schema name is "SCOTT", and the sequence name is "CUSTOMER_SEQ", the default value entry is:
#SCOTT.CUSTOMER_SEQ.NEXTVAL
same way you can do for master - detail form.
for more information on forms please refer the following URL.
http://otn.oracle.com/products/iportal/htdocs/portal_faq.htm#BuildingApplications
hope it helps.

Field values erases when Add Row button is pressed in Master Detail Form

Hi,
I am using APEX 4.0. There is a master-detail form in a page, this has 5 rows in it by default, has a Add row and a Delete button. I face two problems now:
1. When the values are entered in all the 5 rows, that are in default, and Add Row button is clicked, these values are entered in the DB, but they are erased from the interface. Means when user clicks Add row he don't see the old values he has entered. All new empty rows are only seen. This might confuse the user. How can I resolve this.
2. The values are saved to the DB only when the Add row button is clicked, so suppose if the user enters some wrong values in the default rows and after he clicks Delete button, all the field values are erased. Is there a way to delete only that particular row? (Please note: the values are not saved to the DB, unless the Add Row button is clicked)
Please let me know how to resolve these 2 issues.
Thanks.

So let me get this straight:
You enter information into a tabular form and then click the add row and the data is being duplicated from the prior row or being inserted into the table ?
Thank you,
Tony Miller
Webster, TX
A lady came up to me on the street, pointed at my suede jacket and said "Do you know a cow was murdered to make that jacket?"
"I didn't know there were any witnesses", I replied " Now I'll have to kill you too"

Number of Rows on Master - Detail Form

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