Book Image

ASP.NET Core 5 for Beginners

By : Andreas Helland, Vincent Maverick Durano, Jeffrey Chilberto, Ed Price
Book Image

ASP.NET Core 5 for Beginners

By: Andreas Helland, Vincent Maverick Durano, Jeffrey Chilberto, Ed Price

Overview of this book

ASP.NET Core 5 for Beginners is a comprehensive introduction for those who are new to the framework. This condensed guide takes a practical and engaging approach to cover everything that you need to know to start using ASP.NET Core for building cloud-ready, modern web applications. The book starts with a brief introduction to the ASP.NET Core framework and highlights the new features in its latest release, ASP.NET Core 5. It then covers the improvements in cross-platform support, the view engines that will help you to understand web development, and the new frontend technologies available with Blazor for building interactive web UIs. As you advance, you’ll learn the fundamentals of the different frameworks and capabilities that ship with ASP.NET Core. You'll also get to grips with securing web apps with identity implementation, unit testing, and the latest in containers and cloud-native to deploy them to AWS and Microsoft Azure. Throughout the book, you’ll find clear and concise code samples that illustrate each concept along with the strategies and techniques that will help to develop scalable and robust web apps. By the end of this book, you’ll have learned how to leverage ASP.NET Core 5 to build and deploy dynamic websites and services in a variety of real-world scenarios.
Table of Contents (19 chapters)
Section 1 – Crawling
Section 2 – Walking
Section 3 – Running

Building a to-do app with Razor Pages

Razor Pages is another web framework for building ASP.NET Core web applications. It was first introduced with the release of ASP.NET Core 2.0 and became the default web application template for ASP.NET Core.

Reviewing Razor Pages

To better understand the Razor Pages approach, Figure 4.23 provides a high-level diagram of the process that describes the HTTP request and response flow.

Figure 4.23 – Razor Pages request and response flow

If you've worked with ASP.NET Web Forms before, or any web framework that follows a page-centric approach, then you should find Razor Pages familiar. Unlike MVC, where requests are handled in the controller, the routing system in Razor Pages is based on matching URLs to the physical file path. In other words, all requests default to the root folder, which is named Pages by default.

The route collection will then be constructed based on the file and folder paths within the...