Building a Simple ASP.NET Core App

Beginner Updated December 11, 2024

📘 Building a Simple ASP.NET Core App

🧪 Example: Minimal API in ASP.NET Core

  1. Create a new project:

    dotnet new web -n HelloWorldAPI
    cd HelloWorldAPI
    
  2. Modify Program.cs:

    var builder = WebApplication.CreateBuilder(args);
    var app = builder.Build();
    
    app.MapGet("/", () => "Hello World from ASP.NET Core!");
    
    app.Run();
    
  3. Run it:

    dotnet run
    

Visit https://localhost:5001 to see the output.