how to merge cells while exporting excel?

sathish2115

I am trying to merge cells in custom added header while exporting the data to excel file. I can see merge cells function in buttons.html5.js. But really i don't get any clue to implement this in my project. can anyone please explain me how to achieve this?

Thanks,
Satheesh

sathish2115

@allan can you please help me on this? I struggling on this issue for past 1 week.