im using ADG with GroupingCollection as dataprovider, how can i merge all columns so the GroupLabel of the Tree inside my ADG can occupy the full with?
it would look like something like this
- Northern California - some more text displayed here ...
Southwest | Lauren Ipsum | 38805 | 40000 |
Southwest | T.R. Smith | 55498 | 40000 |
- Southern California - some more text displayed here ...
Southwest | Alice Treu | 44985 | 45000 |
Southwest | Jane Grove | 44913 | 45000 |
Retrieving data ...