Building modern apps and services with C# and .NET isn't just about knowing the syntax-it's about knowing the right tools for the job. Whether you're building for web, desktop, or mobile, the .NET ecosystem offers a vast range of technologies. But with so many choices, it's easy to get stuck in a narrow skillset. Apps and Services with .NET 10 helps you build real-world experience across the breadth of what .NET has to offer.This edition covers practical implementations across a diverse set of technologies. You'll build APIs with ASP.NET Core Minimal API, gRPC, GraphQL, and SignalR, and create user-facing applications using Blazor for the web, Avalonia for desktop, and .NET MAUI for mobile. You'll also explore native AOT (Ahead-of-Time) compilation for high-performance web services, along with caching, messaging, and long-running background tasks. Each chapter provides hands-on projects and real-world context for when and why to use each tool.By the end, you'll have a full-stack command of modern .NET. You'll know how to select the right UI tech for your target platform, build APIs that scale, architect reliable backend services, and confidently adopt newer patterns. You won't just understand the tools-you'll know how to put them together to deliver robust, user-friendly, cross-platform apps in production environments.*Email sign-up and proof of purchase required
In this first chapter, the goals are to introduce this book, related books, and their content, set up your development environment to use Visual Studio, VS Code, or Rider, and understand your choices for building apps and services. We will also review how to use the GitHub repository and good places to look for help.
The GitHub repository for this book has solutions using full application projects for all code tasks:https://github.com/markjprice/apps-services-net10/.
After going to the GitHub repository, simply press the. (dot) key on your keyboard or change.com to.dev to change the repository into a live code editor based on VS Code using GitHub Codespaces.
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.dev
VS Code in a web browser is great to run alongside your chosen code editor as you work through the book’s coding tasks. You can compare your code to the solution code and easily copy and paste parts if needed.
Throughout this book, I use the termmodern .NET to refer to .NET 10 and its predecessors like .NET 5, which come from .NET Core. I use the termlegacy .NET to refer to .NET Framework, Mono, Xamarin, and .NET Standard. Modern .NET is a unification of those legacy platforms and standards.
This chapter covers the following topics:
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This book caters to two audiences:
This is one