Adding blank lines to collections is displayed in an area of report
How can I add blank lines to a collection that appears in a report from the region? I am viewing a collection area of report and have created a button 'Add as many lines' in the context of this region. I would like to add blank lines to the collection and displays the region again when the user clicks this button. Is this possible in Apex 4.0?Thank you
Salome
Hi Marc,
Of course, this is possible.
Pretend I'm a before the process of header on my page that creates my collection like this:
BEGIN
IF NOT APEX_COLLECTION.COLLECTION_EXISTS('EMP') THEN
APEX_COLLECTION.CREATE_COLLECTION_FROM_QUERY_B (
p_collection_name => 'EMP',
p_query => 'SELECT EMPNO, ENAME FROM EMP');
END IF;
END;
And I have a report like this region source:
SELECT APEX_ITEM.TEXT(1, c001) empno, -- be sure to define column as Standard Report Column
APEX_ITEM.TEXT(2, c002) ename -- be sure to define column as Standard Report Column
FROM apex_collections
WHERE collection_name = 'EMP'
Then I can set a button called Add Row and made it to trigger a process of PL/SQL like this:
APEX_COLLECTION.ADD_MEMBER(p_collection_name => 'EMP');
You can improve this option to add a set number of lines by calling add_member in a loop, or go further and have an element of the list with values of 1, 2, 5 etc., so that the user can select the number of lines to add before clicking on a button to add lines.
Hope this helps,
John
If you find this information useful, please do not forget to mark the 'useful' or 'correct' post so that others benefit as well.
Tags: Database
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