Hi Ngatq,
Thanks for using syncfusion products.
We regret for the inconvenience caused.your requirement of get row record of checkbox template by javascript it is not possible on client side it takes only gridtable rows didnot take table cells.so, we can't retrive row record in javascript.
Please let us know your concerns.
Regards,
Shanmugaraja K
checkboxaspgrid_3d0896d6.zip