Why should you care?

Every URL in ShopNest lands on a controller action first.

See it live — copy this example

Create an MVC project (dotnet new mvc), add the code, and run dotnet run.

// AddController vs AddMvc vs AddControllersWithViews — ShopNest.Mvc example
public class HomeController : Controller
{
    public IActionResult Index() => View();
}

Run Example »

Edit the code and click Run — like W3Schools Try it Yourself.

What happened?

• Study the example line by line.
• Each part connects to AddController vs AddMvc vs AddControllersWithViews.
• Edit one line, save, and run dotnet run to see what changes.

Try it yourself

1. Find the controller class for this topic.
2. Set a breakpoint on an action and hit the URL.
3. Trace return View() to the matching .cshtml file.
4. Change text or labels in the example and run again — watch the browser update.
5. Break the code on purpose (remove a semicolon), read the error message, then fix it.

Remember

You learned what AddController vs AddMvc vs AddControllersWithViews is and when to use it. Practice by changing the example yourself. Explain it in your own words before moving on.