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My apologies for such a late response. The request is to bind data to a button group. No Grid involved. I found examples of how to do it, but it requires using a radio button styled as a button group to work. I still feel like the control should have the ability to be bound so that form data can be saved or retrieved from a database when adding or editing a record.
Sorry for the delay and thanks for the update. Button group is CSS orientation component. Using the button style only we can render the button group. Depend on selection type, the button group function rendering like for single selection we can use radio button and for multiple selection we can use checkbox button. Please refer the below UG link for more details.
UG link: https://ej2.syncfusion.com/aspnetcore/documentation/button-group/selection-and-nesting#selection
Please get back to us, if you need any further assistance on this.