How to add "disabled" row under each normal row?

How to add "disabled" row under each normal row?

matsonmatson Posts: 1Questions: 0Answers: 0
edited February 2013 in General
I need to add disabled row for all rows. These disabled rows should act like a footer for each row.
Disabled rows would be glued under normal rows and they would not affect sorting.
I think this should be done in "fnDrawCallback" but I have no idea how.

Why?: I need an visible extra information row for each row.
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