[Sample Of Mar 30th] How to undo the changes in Entity Framework 4.1 and later

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CS Version: https://code.msdn.microsoft.com/How-to-undo-the-changes-in-00aed3c4

VB Version: https://code.msdn.microsoft.com/How-to-undo-the-changes-in-1ee89ae3

This sample demonstrates how to undo the changes in Entity Framework.

When we make the changes to the entities, we can use the SaveChanges Method to update the entities in the database. But sometimes some of the changes are wrong, and we need to rollback these changes. In this sample, we demonstrate how to use ObjectContext and DbContext to undo the changes in different levels.

1. Context Level;

2. Entity Set Level;

3. Entity Level;

4. Property Level.

 

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