Entity state

Image

In the last chapter we talked about retrieving entities from memory based on their state (using Local or some very ugly ObjectContext code), and in this chapter I’ve said that when an entity is part of an entity set, the context will maintain metadata indicating whether the entity is added, modified or deleted (or unchanged, of course). Let’s look at how that magic happens. As you’ve probably come to expect, the ObjectContext and DbContext maintain state using a slightly different API:

Image

..................Content has been hidden....................

You can't read the all page of ebook, please click here login for view all page.
Reset