How at a time one row can expand in ?

Question

In my application I have a with rowExpansion column. I have a requirement to open a single row at a time. If anyone tries to ex

Answer 1

As of 2015, and this question is first in Google search results, I want to add that for PrimeFaces 5.1, there is dataTable attribute rowExpandMode, when set to single - allows only one row to be shown. Example:

It's not exactly what was asked, but I hope that it'll help to others.