Ado.net Entity Framework In-depth analysis, part 7–change tracking

objectstatemanager– Object state Manager

We already know how to add, update, and delete entity records, and we will change database records. The Entity Framework tracks changes through the object context-controlled Objectstatemanager objects, Objectstatemanager tracks all changes to the entity objects, when the SaveChanges () method is invoked , execute the appropriate T-SQL script.

Objectstatemanager is more advanced than the DataContext Change tracking feature in LINQ to SQL. Below, we learn more about how to display useful change tracking information.