Hi Alomgir,
Thanks for your interest in Syncfusion products.
In GridDataBoundGrid, GridFilterBar will support only for DataTable or DataSet type of datasources. One way to achieve this is, to create a custom FilterBar by deriving from GridFilterBar class.
Here is a sample that shows the custom filterbar supporting IList type of datasource as ArrayList is an implementation of IList.
SamplelinkIn this sample, collection is implemented using ArrayList.
Regards,
Jisha