Updating the BaseViewModel class to include our RestWebService

Now we have created both our RestWebService interface and class, which will allow us to communicate with the Microsoft Azure platform, as well as our SQL Server database to perform CRUD operations, that will enable us to create, retrieve, update, and delete walk entries.

Our next step is to update the underlying C# code within our BaseViewModel class. Since our BaseViewModel class is used by each of our instances of ViewModel, it makes sense to add these additional properties and instance methods within the BaseViewModel class.

Let's start by updating the BaseViewModel class for our TrackMyWalks app by going through the following steps:

1. Locate and open the BaseViewModel.cs file, which is located within the ViewModels folder, and ensure that it is displayed within the code editor. Enter the following highlighted code sections:

    //
    //  BaseViewModel.cs
    //  BaseView Model Class that each of our ViewModels will inherit from...