To accomplish this task, please remove the BackColor
from the GroupRow appearance.
Then use the CustomDrawGroupRow event to highlight the group row content as you need:
// 1) remove GroupRow style
//gridView1.Appearance.GroupRow.BackColor = Color.Blue;
gridView1.OptionsView.ShowGroupExpandCollapseButtons = false;
// 2) use the CusomDrawGroupRow
gridView1.CustomDrawGroupRow += gridView1_CustomDrawGroupRow;
}
void gridView1_CustomDrawGroupRow(object sender, RowObjectCustomDrawEventArgs e) {
GridView gridView = sender as GridView;
GridGroupRowInfo groupRowInfo = e.Info as GridGroupRowInfo;
string groupRowText = gridView.GetGroupRowDisplayText(e.RowHandle);
int textStart = groupRowInfo.DataBounds.Left + 4;
Rectangle groupRowTextBounds = new Rectangle(
textStart,
groupRowInfo.Bounds.Top,
groupRowInfo.Bounds.Right - textStart,
groupRowInfo.Bounds.Height
);
e.Cache.FillRectangle(Brushes.Blue, e.Bounds); // draw blue backgrownd
e.Appearance.DrawString(e.Cache, groupRowText, groupRowTextBounds);
e.Handled = true;
}