Hi Prumery,
Thank you for your interest in Syncfuion Products.
Yes. It is possible to have a Ecllipse Button in a DataBoundGrid cells. To acheive this we need to create custom cell type that derives CellModel and CellRenderer class. Please find the simple sample that illustrates this in the following link:
http://websamples.syncfusion.com/samples/Grid.Windows/F71592/main.htmPlease let me know if this helps.
Regards,
Fathima