I've got a apge that lists a bunch of data in a datagrid. Sometimes this data might need to be updated, so I changed the grid to allow it to be editable. Everything works correctly, except for the ...
If you create your own template columns, then you can have a hidden text field that you populate when you edit the datagrid. Don't know if that's the "right" way perse, but it's one way to do it.