Professional C# and .NET, 2021st Edition

26Razor Pages and MVC

WHAT'S IN THIS CHAPTER?

• Working with Razor Pages
• Using Razor syntax
• Routing with Razor Pages and MVC
• Implementing Razor Pages in a library
• Injecting services
• Using HTML Helpers
• Creating and using Tag Helpers
• Creating and using view components
• Differences between Razor Pages and ASP.NET Core MVC

CODE DOWNLOADS FOR THIS CHAPTER

The source code for this chapter is available on the book page at www.wiley.com. Click the Downloads link. The code can also be found at https://github.com/ProfessionalCSharp/ProfessionalCSharp2021 in the directory 3_Web/RazorAndMVC.

The code for this chapter is divided into the following major examples:

• WebAppSample (Razor Pages web application)
• BooksViews (Razor Pages in a library)
• CustomTagHelpers
• EventViews (view components)
• MVCSample (ASP.NET Core MVC web application)

All the projects have nullable reference types enabled.

SETTING UP SERVICES FOR RAZOR PAGES AND MVC

Chapter 24, “ASP.NET Core,” explains the foundation of ASP.NET Core with dependency injection and middleware and the features of HTTP requests and responses. This chapter makes use of dependency injection and middleware for Razor Pages and MVC to reduce the code needed for creating full-featured web applications.

Web pages built based on the Model-View-Controller (MVC) pattern (Figure 26-1) clearly separate models (entity objects representing data), views (the user interface, including HTML code), and functionality (controllers).

FIGURE 26-1 ...