This chapter will cover how to delete categories correctly, how to seed the database with data, how to update the database using Code First Migrations based on code changes, and how to perform data validation with custom error messages.
Note
If you want to follow along with the code in this chapter, you must either have completed Chapter 3 or download Chapter 3’s source code from www.apress.com as a starting point.
Deleting an Entity Used as a Foreign Key
So far we have updated our web site to add some useful search and filter features, and we've been able to add some ...
