Adding the countries to the loop

Before moving on, how about getting the countries up to speed? Yeah, it would mean redoing everything that we just did a second time; however, now that we know how to do this, we'll arguably be able to do it in a flash...... or maybe not.

Nonetheless, we should definitely spend a reasonable amount of time doing that now, because it would be a great way to plant everything we have learned so far in our muscle memory.

Let's do this now so that we can move on to trying something else. To avoid wasting pages, we'll just focus on the most relevant steps here, leaving everything else to what we just did with the cities – and to our GitHub repository, which hosts the full source code of what we need to do.

ASP.NET

Let's start with the ASP.NET part.

CountriesController

We should already have our CountriesController ready from Chapter 4, Data Model with Entity Framework Core, right? Open that file and replace...