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Ok I was making a mistake. But I was very close to getting it working 🙂
Firstly, in the above example you don’t need to call UpdateDetailGrids, as the detail grid does not yet contain any rows. An important consideration. Secondly, I didn’t add a ColumnManagerRow to my DetailGridTemplate, which is why I couldn’t see any column headings when I commented out UpdateDetailGrids. duh.
For people reading the example, it is also important to not that I have set SynchronizeDetailGrids to false, meaning I can have completely different columns in each detail grid.
It’s always so obvious once it’s working!
Imported from legacy forums. Posted by IdleHand (had 3079 views)