I would characterize my data as having "sparse groupings" Most groups will have only one item (with in my mind is not really a group). Using the AdvancedDataGrid is not giving me the effect that I want, which is to show all single item groups normally (as the DataGrid would) and all muti-item groups should be displayed with expanding and collapsing capabilities. Is it possible to specify that groups with one item should not be treated as groups? Can anyone suggest a better way to approach this problem. It seems like a pretty typical requirement.
Andy