CSV Export from Listgrid problem

HI
I am trying export to CSV from the ListGrid
using exportData(dsrequestProperties) method

I made IDA call , how ever There are no errors in the console and also I could see the (DSResponse: List with 3 items ) running successfully and ,but the data is not getting exported to XL File ,Only the titles are getting exported and not the data ,Please some one help on this

I am Using smartgwtee4