Hi, I am also observing the same behaviour. Its not sorting based on the converted values instead it is sorting on the raw data which is bind to the Grid. what could be the solution of this ? Thanks Saurabh 

Hello, we have grid with DataGridVirtualizingCollectionView and I wanted to solve sorting by subscribing methods SortDescriptions.CollectionChanged. But CollectionChanged of SortDescriptions is calling many times, when I click once to column header for sorting. What is the correct solution for sorting of virtualizing collection in Xceed ...