How to Export Multiple Row Headers in jQuery Datatables?

Question

Hi I am using jQuery Datatables 1.10. I am trying to export Datatable multiple header rows but not getting. But it is Exporting only second header row. I am using Buttons:

Answer 1

Answer by @ronnie https://stackoverflow.com/a/42535830/5835910 is working. To make it work download the files from jquery datatable download builder https://datatables.net/download/index.

Please do not use files from example pages.