I\'m something of a WPF noob so please take it easy on me ;-)
I am trying to create a grouped DataGrid (WPF toolkit version). I have successfully created the data sourc
Thanks for your reply. I really appreciate it and will check it out to see if it works.
Anyway, as it turns out, after some poking and prodding, I have worked it out using XAML only. What I had been missing was the fact that each item the group header is bound to is a GroupItem and that the default DataContext of a GroupItem is a CollectionViewGroup. In turn, a CollectionViewGroup has an Items property, which is a collection and I can therefore get the Assign_To value of the first item in the collection and use that in my header text. Like this: