Book Image

Modern Web Development with ASP.NET Core 3 - Second Edition

By : Ricardo Peres
Book Image

Modern Web Development with ASP.NET Core 3 - Second Edition

By: Ricardo Peres

Overview of this book

ASP.NET has been the preferred choice of web developers for a long time. With ASP.NET Core 3, Microsoft has made internal changes to the framework along with introducing new additions that will change the way you approach web development. This second edition has been thoroughly updated to help you make the most of the latest features in the framework, right from gRPC and conventions to Blazor, which has a new chapter dedicated to it. You’ll begin with an overview of the essential topics, exploring the Model-View-Controller (MVC) pattern, various platforms, dependencies, and frameworks. Next, you’ll learn how to set up and configure the MVC environment, before delving into advanced routing options. As you advance, you’ll get to grips with controllers and actions to process requests, and later understand how to create HTML inputs for models. Moving on, you'll discover the essential aspects of syntax and processes when working with Razor. You'll also get up to speed with client-side development and explore the testing, logging, scalability, and security aspects of ASP.NET Core. Finally, you'll learn how to deploy ASP.NET Core to several environments, such as Azure, Amazon Web Services (AWS), and Docker. By the end of the book, you’ll be well versed in development in ASP.NET Core and will have a deep understanding of how to interact with the framework and work cross-platform.
Table of Contents (26 chapters)
Section 1: The Fundamentals of ASP.NET Core 3
Section 2: Improving Productivity
Section 3: Advanced Topics
Appendix A: The dotnet Tool

Understanding the generic host

Starting with version 3.0, ASP.NET Core is now bootstrapped using a generic host. This means that it is not tied specifically to HTTP or any other web protocol, but it potentially supports any kind of protocol, including low-level TCP. The templates have changed and now the bootstrap looks something like this:

.ConfigureWebHostDefaults(webBuilder =>

We are now using the Host class to create an instance of a class that implements IHostBuilder, not IWebHostBuilder, although the result is the same.

We can interfere in the bootstrap process by means of extension methods. Specifically, we can configure the following:

  • Services registration
  • Logging
  • Configuration
  • Web hosting defaults (host, startup class)

Here is a full example of changing the configuration: