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)
Other Books You May Enjoy

Implementing SignalR

Let’s briefly recap how our HealthCheck and HealthCheckAPI projects currently work:

  • The HealthCheck Angular app features a component—the HealthCheckComponent—that, right after being loaded, performs a call to the server-side /health endpoint.
  • The above endpoint is handled by the HealthCheckMiddleware: when called, the HealthCheckAPI ASP.NET Core Web API is configured to launch various ICMP health checks, each one configured to ping a hostname or IP address and return its status (healthy or unhealthy).
  • The health checks’ statuses are wrapped together by the HealthCheckMiddleware and sent in a single JSON response.
  • The HealthCheck Angular app fetches the JSON response and uses it to create an HTML table, thus showing the result in a readable format.

As we can see, the only interaction between the two projects is a single HTTP call issued to the /health endpoint: right after the first health check...