Free Blazor Tutorial • Visual Studio 2026 • .NET 10

Learn Blazor step by step

Build interactive web applications with C# and Razor components. This beginner-friendly course starts with your first Blazor Web App and progresses through components, data binding, routing, forms, dependency injection, APIs, and a practical Student Manager project.

What you will learn

The course is designed for learners who already know a little C# or are learning C# alongside Blazor.

Build with C#

Create interactive browser interfaces using Razor components, C# methods, events, models, and services.

Understand modern Blazor

Learn the Blazor Web App model used by current ASP.NET Core, including interactive rendering and reusable components.

Finish with a project

Combine the core techniques in a Student Manager mini project that you can extend with a database later.

10-lesson Blazor learning path

Complete the lessons in order if you are new to Blazor. Each page contains explanations, copy-paste code, a small exercise, and Previous/Next navigation.

1

Introduction to Blazor and Your First Blazor Web App

Learn what Blazor is, create a Blazor Web App in Visual Studio 2026, and run your first page.

Open Lesson 1 →
2

Understanding the Blazor Project Structure

Explore Program.cs, Components, Pages, Layout, routing, static files, and the key files in a modern Blazor Web App.

Open Lesson 2 →
3

Razor Syntax, C# Expressions, and Rendering Data

Use Razor syntax to combine HTML and C#, display variables, make decisions, and render collections.

Open Lesson 3 →
4

Events and Two-Way Data Binding

Handle button clicks, capture user input, and use @bind to create an interactive Razor component.

Open Lesson 4 →
5

Reusable Components, Parameters, and EventCallback

Break your UI into reusable components and communicate with parameters and EventCallback.

Open Lesson 5 →
6

Routing, Route Parameters, and Navigation

Create routable pages, use route parameters, add NavLink navigation, and navigate from C#.

Open Lesson 6 →
7

Forms and Data Validation

Build an EditForm, validate models with data annotations, and display useful validation messages.

Open Lesson 7 →
8

Dependency Injection and Application Services

Create a service, register it in Program.cs, and inject it into Razor components using dependency injection.

Open Lesson 8 →
9

Calling a Web API with HttpClient

Use HttpClient through a typed service to retrieve JSON data from a web API and display it safely.

Open Lesson 9 →
10

Mini Project: Build a Student Manager

Combine components, forms, DI, and collections to build a practical in-memory Student Manager application.

Open Lesson 10 →
Mastering Blazor with Visual Studio 2026 book cover
Companion Book

Mastering Blazor with Visual Studio 2026

A practical, beginner-friendly guide to building modern Blazor applications with Visual Studio 2026 and .NET 10. The book expands beyond this free tutorial with more detailed explanations, hands-on examples, screenshots, and complete projects that help you build real-world skills step by step.