When the GridViewComboBoxColumn is added for the master level, once the FieldName property is set, the DataType is synced with its type:
However, for the child levels, this logic is not executed automatically.
Hello, Kieran,
Thank you for this report. We will do our best to improve the experience with the Property Builder.
Meanwhile feel free to use the alternative approach with setting up the hierarchy programmatically.
Regards,
Dess | Tech Support Engineer, Principal
Progress Telerik
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