How can i build a portlet with multi-record fields

Hi
I am building an application and some of my forms need to capture multi-records fields,for example like Developer Forms does with Grids
Can anybody send me an example to do this?.
Thanks

This is what I did in our application.
1. Created a Master Detail Form (Custom Layout and not tabular)
and in the master block selected only one field.
2. In the HTML layout for master removed the reference for
that field(so that nothing will appear in the master block
of the form).
3. Before the update (in the Pl/SQL event handler selected the 'Save' event and written the following code to avoid updating master block).
p_session.set_value(p_block_name => 'MASTER_BLOCK',
p_attribute_name => 'MASTER_ACTION',
p_value => 'None');
doSave;
For eg, let's say
Master is from 'Dept' table and Detail is from 'Emp' table(with join condition Dept.dept_id = Emp.dept_id). In the master remove everything except dept_id field and in the HTML layout for master remove the reference of the dept_id field(you cannot remove this field physically from the master layout). Now the form will look like multirow form rather than master detail form but only problem with this workaround is 'Detail Action' will be present in the detail block.
I hope this will help you.
Thanks
-Krishnamurthy

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