Hi Nao,
Greetings from
Syncfusion support.
Before proceeding
with the solution, please share the below details.
- Explain
your use case, why do you want to show checkbox when you click on the select
rows button.
- Share
the complete grid rendering code.
- Simple
sample for validation.
- Explain
what actions do you want to perform after selecting the rows.
Regards,
Joseph I