Customizing ASP.NET Core 6.0 - Second Edition

Chapter 13: Managing Inputs with Custom ModelBinder

In the last chapter regarding OutputFormatter, we learned about sending data out to clients in different formats. In this chapter, we are going to do it the other way. This chapter is about data you get in your web API from outside; for instance, what to do if you get data in a special format, or if you get data you need to validate in a special way. Model Binders will help you to handle this.

In this chapter, we will be covering the following topics:

• Introducing ModelBinder
• Preparing the test project
• Creating PersonsCsvBinder
• Using ModelBinder
• Testing ModelBinder

The topics in this chapter refer to the WebAPI layer of the ASP.NET Core architecture:

Figure 13.1 – ASP.NET Core architecture ...