Hi Sao
Greetings from Syncfusion support.
Query : “footer aggregate by different field value”
Based on your query, To calculate the aggregate value with
your own aggregate functions, use the custom aggregate option and we have already discussed
about this similar topics detailly in our UG documentation. Kindly refer
the documentation link shared.
Reference : “https://blazor.syncfusion.com/documentation/datagrid/aggregates#custom-aggregate”
Please let us
know if you have any concerns.
Regards,
Naveen Palanivel