This is what the post request says.

{id: 0, success: false}
id: 0
success: false

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http://pastebin.com/kPk0n4DB

Hello,

Your code is pretty straight and looks fine.
Perhaps, you can try debugging using firebug and check the response of add ajax call.

Refer this link: (https://phpgrid.desk.com/customer/portal/articles/926266)

I was also not able to export to Excel, but after downgrading to version 1.4.8.3 both adding records and exporting to Excel is working.