Flex AdvancedDatagrid populating with groupingCollection based on xml
问题 I'm currently trying to populate an flex 3 AdvancedDatagrid with xml received from a HTTPService with id="produktMatrix_data" . The layout is as follows: http://pastebin.com/NqFqgj86 The result should look like: The further rows like KID, M.., etc. will be populated by other sources, be hardcoded, or by user input and are beyond scope of this question. My code for the AdvencedDataGrid is as follows: <mx:AdvancedDataGrid dataProvider="{matrixProvider}"> <mx:columns> <mx:AdvancedDataGridColumn