Book Image

ASP.NET Core 6 and Angular - Fifth Edition

By : Valerio De Sanctis
Book Image

ASP.NET Core 6 and Angular - Fifth Edition

By: Valerio De Sanctis

Overview of this book

Every full-stack ninja needs the tools to operate on front-end and back-end application development. This web app development book takes a hands-on, project-based approach to provide you with all the tools and techniques that web developers need to create, debug, and deploy efficient web applications using ASP.NET Core and Angular. The fifth edition has been updated to cover advanced topics such as Minimal APIs, Web APIs with GraphQL, real-time updates with SignalR, and new features in .NET 6 and Angular 13. You begin by building a data model with Entity Framework Core, alongside utilizing the Entity Core Fluent API and EntityTypeConfiguration class. You'll learn how to fetch and display data and handle user input with Angular reactive forms and front-end and back-end validators for maximum effect. Later, you will perform advanced debugging and explore the unit testing features provided by (.NET 6) and Jasmine, as well as Karma for Angular. After adding authentication and authorization to your apps, you will explore progressive web applications, learning about their technical requirements, testing processes, and how to convert a standard web application to a PWA. By the end of this web development book, you will understand how to tie together the front-end and back-end to build and deploy secure and robust web applications.
Table of Contents (18 chapters)
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This chapter was entirely dedicated to GraphQL, an open source data query and manipulation language aiming to be a great alternative to the REST architectural style for some specific scenarios, as it allows the mitigation of some known REST limitations, such as over-fetching and the risks of regression bugs.

Following a quick review of the pros and cons of both approaches, we started to implement GraphQL in our WorldCities ASP.NET Core project. We did that using HotChocolate, a comprehensive third-party .NET GraphQL platform that helped us to do that with minimal effort, mostly thanks to the fact that it provides great support to Entity Framework Core through its extension package.

Installing and configuring HotChocolate gave us the chance to familiarize ourselves with several GraphQL-related concepts such as queries, mutations, and subscriptions, all part of the overall GraphQL schema. Upon completing the setup, we also took the opportunity to practice with some actual...