Chapter 6. Understanding the entity lifecycle


This chapter covers
  • Understanding entity states
  • Understanding transitions between states
  • Automatic and manual state changes


At this point in the book, you have two-thirds of the basics you need to implement Entity Framework–based data access code. You have learned how to create an object model, how to map it against the database using the EDM, how to perform queries to retrieve data, and how to transform data in objects. What you’re still missing is an understanding of the entity lifecycle and how to persist modifications made to an entity into the database. This chapter is about the first part of that: the entity lifecycle.

In this chapter, you’ll learn about the different states an entity ...

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