want to achieve below

smruti20

Link to test case:
Debugger code (debug.datatables.net):
Error messages shown:
Description of problem:

smruti20

i have a datatable as below

Name | Task Date | Total hours
abc | 13/02/2021 | 2
abc | 13/02/2021 | 1
abc | 14/03/2021 | 4

i want to achieve like below datatable
Name | Task Date | Total hours
abc | 13/02/2021 | 3
abc | 14/03/2021 | 4

only one row per date with sum of hours should be displayed in total hours of that perticular page

montoyam

does this help: https://datatables.net/blog/2017-04-07#Features

colin

This example from this thread should get you going, it's doing just that,

Colin

smruti20

Thanks Colin . your example link work for me.