Although we could reuse the .NET Standard 2.0 entity data model library that you created earlier, we want to implement two-way data binding, so we will create a new class to represent customer entities in the mobile app.
Right-click on the project named NorthwindMobile, go to Add | New Folder, and name it Models.
Right-click on the Models folder and go to Add | New File....
In the New File dialog, go to General | Empty Class, enter the name Customer, as shown in the following screenshot, and click on New:
Modify the statements, as shown in the following code:
using System.Collections.Generic; using System.Collections.ObjectModel; ...
