Hi all, I am binding the grid like below: <xcdg:DataGridCollectionViewSource x:Key=''cvsImgGrid'' Source=''{Binding ElementName=ImgGrid, Path=Dv,Mode=OneWay}'' AutoFilterMode=''Or'' /> <xcdg:DataGridControl Name=''dataGridControl1'' Width=''Auto'' Height=''Auto'' ItemsSource=''{Binding Source={StaticResource cvsImgGrid}}'' /> ...

I am displaying my search result in a Xceed grid. The grid is editable. In the grid, one can update Country, State and City from the combobox in the grid. * The 3 fields are related ie On change of country, the related state list should be updated in the combobox.  Now I tried using Xceed.Wpf.DataGrid.DataRow dr = ...