How to bind different ItemsSources to each row of the GridComboBoxColumn?

You can bind the different ItemsSource to each row of GridComboBoxColumn by setting ItemsSourceSelector property.

XAML

Implementing IItemsSourceSelector

ItemsSourceSelector needs to implement IItemsSourceSelector interface which requires you to implement GetItemsSource method which receives the below parameters,

1. Record – data object associated with row.
2. Data Context – data context of data grid.

In the below code, ItemsSource for ShipCity column returned based on ShipCountry column value using the record and data context of data grid passed to GetItemsSource method.

C#

The following screenshot illustrates the different ShipCity ItemsSource bound to each row of the ComboBox based on the Country Name.

Figure 1: ShipCity list of Argentina

Figure 2: ShipCity list of Belgium

Sample

WPF

UWP