You're reading from ASP.NET Core 5 and Angular Full-stack web development with .NET 5 and Angular 11

Product type Paperback

Published in Jan 2021

Publisher Packt

ISBN-13 9781800560338

Length 746 pages

Edition 4th Edition

Languages

Tools

.NET

Concepts

Full Stack Web Development

Author (1):

Valerio De Sanctis

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Table of Contents (15) Chapters

Preface

1. Getting Ready

2. Looking Around FREE CHAPTER

3. Front-End and Back-End Interactions

4. Data Model with Entity Framework Core

5. Fetching and Displaying Data

6. Forms and Data Validation

7. Code Tweaks and Data Services

8. Back-End and Front-End Debugging

9. ASP.NET Core and Angular Unit Testing

10. Authentication and Authorization

11. Progressive Web Apps

12. Windows, Linux, and Azure Deployment

13. Other Books You May Enjoy

14. Index

Data services

The two web applications that we have created so far – HealthCheck in Chapters 1 to 3, and WorldCities in Chapters 4 to 7 – both feature front-end to back-end communication over the HTTP(S) protocol, and in order to establish such communication, we made good use of the HttpClient class, a built-in Angular HTTP API client shipped with the @angular/common/http package that rests on the XMLHttpRequest interface.

Angular's HttpClient class has a lot of benefits, including testability features, request and response typed objects, request and response interception, Observable APIs, and streamlined error handling. It can even be used without a data server thanks to the in-memory web API package, which emulates CRUD operations over a RESTful API: we briefly talked about that at the beginning of Chapter 4, Data Model with Entity Framework Core, when we were asking ourselves if we really needed a data server or not (the answer was no, therefore we didn&apos...