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Blazor WebAssembly by Example

Blazor WebAssembly by Example - Third Edition

By : Toi B. Wright
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Blazor WebAssembly by Example

Blazor WebAssembly by Example

By: Toi B. Wright

Overview of this book

Blazor WebAssembly allows you to build web apps without the need for JavaScript, plugins, or add-ons. With its continued growth in popularity, Blazor WebAssembly can open doors to new career paths and exciting projects, and Blazor WebAssembly by Example makes getting started easy. This project-based guide teaches you how to build single-page web applications by focusing heavily on the practical over the theoretical. The author provides step-by-step instructions for each project as well as a video of her following those exact steps. In this updated edition, we've added two new chapters on integrating artificial intelligence into web apps built with Blazor WebAssembly. You'll start with simple standalone web apps and gradually progress to hosted web applications with SQL Server backends. Each project covers a different concept from the Blazor WebAssembly ecosystem, such as Razor components, JavaScript interop, security, events, debugging, state management, hosted applications, REST APIs, and AI. The book's projects get more challenging as you progress, but you don't have to complete them in order, which makes this book a valuable resource for beginners as well as those who just want to dip into specific topics. By the end of this book, you'll be building your own web apps with .NET and C# using Blazor WebAssembly.
Table of Contents (18 chapters)
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15
Chapter 15: Unlock Access to the Code Bundle and the PDF Version
16
Other Books You May Enjoy
17
Index

Summary

You can build a standalone Blazor WebAssembly client that works with an ASP.NET Core Web API in a multi-project solution that persists data in a SQL Server database using Entity Framework Core.

In this chapter, you learned why CORS is required when the client and API run as separate projects during development, how to configure a named CORS policy, and how to use the HttpClient service and its JSON helper methods to send GET, POST, PUT, and DELETE requests to a web API. Finally, you learned how to use Endpoint Explorer and .http files to test an API.

You created a solution that contains three projects: a Blazor WebAssembly client for the user interface, an ASP.NET Core Web API for endpoints and data access, and a shared class library for the TaskItem model used by both projects. Next, you created the API controller, configured the SQL Server connection string, and used Entity Framework Core migrations to create the database. You also used Visual Studio's .http files and Endpoints...

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