Adding the Cart Total to All of the Pages

To view the cart total on all of the pages, we need to add the cart total to a component that is used on all of the pages. Since the MainLayout component is used by all of the pages, we will add the cart total to it. We do this as follows:

1. Return to Visual Studio.
2. Open the Shared\MainLayout.razor page.
3. Add the following @using directive:

4. Add the following @inject directive: