Blazor Fundamentals

Build modern, production-ready web apps with Blazor Web App in .NET 10 using only C#.

Blazor is now a unified platform for full-stack web development. Blazor Fundamentals: Building Modern Web Applications with .NET 10 teaches you how to design, build, test, and deploy real applications using the latest Blazor Web App model. No JavaScript required.

What you will learn

Create and navigate Blazor Web App projects in Visual Studio 2022 (or later)

Build reusable Razor components with data binding, routing, and validation

Manage state, call REST APIs, and structure services with dependency injection

Secure apps with authentication and authorization, including Microsoft Entra ID

Use SSR, static SSR, and enhanced interactivity for fast, SEO-friendly pages

Improve performance with streaming rendering, virtualization, and lazy loading

Add real-time features with SignalR and offline support with PWAs

Test components with bUnit, raise accessibility quality, and ship to Azure

How this book is organized The book is divided into clear parts that take you from first app to production. Each chapter includes step-by-step labs, mini quizzes, and complete examples you can run. You finish with a capstone that pulls together routing, data, auth, testing, and deployment.

Who this book is for C# developers new to web, Blazor developers upgrading to .NET 10, and .NET engineers who want a modern, unified workflow.

Why this edition Updated for .NET 10 and C# 14. Covers the unified Blazor Web App model, SSR and static SSR, performance tuning, real-time interactivity, testing, accessibility, and practical deployment.

Build confidently. Ship faster. Create professional Blazor applications with only C#.