Hi Aya,
Greetings from Syncfusion support
Query : “ to save the selected columns in my column
chooser even if I refresh the page”
We checked your query and we have already discussed about
this similar topics detailly in our UG documentation. We can save the
selected columns in column chooser even refresh the page. Kindly refer the
documentation link shared.
Reference :
https://blazor.syncfusion.com/documentation/datagrid/state-management#enabling-persistence-in-grid
Please get back to us if you need further assistance.
Regards,
Naveen Palanivel