ASP.NET Core in Action, Third Edition

16 Binding and validating requests with Razor Pages

This chapter covers

• Using request values to create binding models
• Customizing the model-binding process
• Validating user input using DataAnnotations attributes

In chapter 7 we looked at the process of model binding and validation in minimal APIs. In this chapter we look at the Razor Pages equivalent: extracting values from a request using model binding and validating user input.

In the first half of this chapter, we look at using binding models to retrieve those parameters from the request so that you can use them in your Razor Pages by creating C# objects. These objects are passed to your Razor Page handlers as method parameters or are set as properties on your Razor Page PageModel.

Once your ...