Book Image

Customizing ASP.NET Core 6.0 - Second Edition

By : Jürgen Gutsch
Book Image

Customizing ASP.NET Core 6.0 - Second Edition

By: Jürgen Gutsch

Overview of this book

ASP.NET Core is packed full of hidden features for building sophisticated web applications – but if you don’t know how to customize it, you’re not making the most of its capabilities. Customizing ASP.NET Core 6.0 is a book that will teach you all about tweaking the knobs at various layers and take experienced programmers’ skills to a new level. This updated second edition covers the latest features and changes in the .NET 6 LTS version, along with new insights and customization techniques for important topics such as authentication and authorization. You’ll also learn how to work with caches and change the default behavior of ASP.NET Core apps. This book will show you the essential concepts relating to tweaking the framework, such as configuration, dependency injection, routing, action filters, and more. As you progress, you'll be able to create custom solutions that meet the needs of your use case with ASP.NET Core. Later chapters will cover expert techniques and best practices for using the framework for your app development needs, from UI design to hosting. Finally, you'll focus on the new endpoint routing in ASP.NET Core to build custom endpoints and add third-party endpoints to your web apps for processing requests faster. By the end of this book, you'll be able to customize ASP.NET Core to develop better, more robust apps.
Table of Contents (18 chapters)

Introducing TagHelper

With Tag Helpers, you are able to extend existing HTML tags or create new tags that get rendered on the server side. The extensions or new tags are not visible in browsers. TagHelper are a kind of shortcut to write easier (and less) HTML or Razor code on the server side. TagHelper will be interpreted on the server and produce "real" HTML code for browsers.

TagHelper are not a new thing in ASP.NET Core. They have been present since the framework's first version. Most existing and built-in TagHelper are a replacement for the old-fashioned HTML helpers, which still exist and work in ASP.NET Core to keep the Razor views compatible with ASP.NET Core.

A very basic example of extending HTML tags is the built-in AnchorTagHelper:

<!-- old fashioned HtmlHelper -->
@Html.ActionLink("Home", "Index", "Home")
<!-- new TagHelper -->
<a asp-controller="Home" asp-action="Index">Home&lt...