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.

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Use PRE-UPDATE trigger (Master block).
begin
update <detail_table>
set quant + 1
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=======
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Hi all,
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--      apex_application.g_f04(i)||':'||
--      apex_application.g_f05(i)||':'||
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Insert multiple row of BLOB using Master Detail Form

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