This example demonstrates how to display an image in a group row.
In this project a column's group row is painted using different approaches:
The ID column:
The CustomDrawGroupRow event is handled in order to perform custom group row painting.
The Subject column:
Handle the GridView.CustomColumnDisplayText event in order to specify e.DisplayText with an HTML image tag. An image can be accessed either from a bound image collection or from project resources.
The Status column
An in-place ImageComboBoxEdit is used as a column edit and its SmallImages is set to an image collection.
For more information refer to KA18890.