Hi Csatai Krisztián,
In our EJ2 Grid Excel filtering, we cannot customize the entire
filter UI. You can provide the custom filter component for the Excel filter
using the “column.filterTemplate” property. Please refer to the below documentation
for more information.
https://ej2.syncfusion.com/react/documentation/grid/filtering/excel-like-filter/
However, we cannot replace the default button and search
input in the filter popup. If you want to customize the default behavior of
these elements, please share the exact requirements. We will check the
feasibility and provide a solution if it is possible.
Regards,
Pavithra S
