ASP.NET Tutorial

ASP.NET Core is Microsoft's free, open-source framework for building websites, web apps and APIs with the C# language.

It runs on Windows, macOS and Linux, it is one of the fastest web frameworks available, and many banks, software houses and large companies use it.

Why Learn ASP.NET Core?

• It is fast, secure and well supported by Microsoft
• One language, C#, for the server, the pages and the database code
• Many software houses in Karachi, Lahore and Islamabad hire .NET developers
• Excellent free tools: Visual Studio, VS Code and the dotnet command

What You Will Learn

• What ASP.NET Core is and how to create your first project
• How a project is organised: Program.cs, wwwroot and settings
• Razor syntax for mixing C# with HTML
• Razor Pages with page models and handlers
• Forms, model binding and validation
• Minimal APIs that return JSON
• Saving data with Entity Framework Core

This tutorial uses modern ASP.NET Core (.NET 8 and later). It does not cover the old ASP.NET Web Forms.

A First Example

A complete web app in four lines of C#:

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

Hello from ASP.NET Core!

Exercises and Quiz

Every lesson ends with an exercise, and the last lesson is a quiz on the whole tutorial.

Before and After This Tutorial

You should know basic HTML and CSS, and some programming. Afterwards, learn SQL for databases, JavaScript for the browser side, and Git to manage your code. For other back-end options, see PHP and Django.