Select from following answers:- Call the SaveChanges method.
- Create transactional stored procedures to make updates to the database and configure the data model to use these procedures. Call the SaveChanges method.
- Call the SaveChanges method after associating an EntityTransaction with the connection.
- All Above
By default, changes are saved within a transaction.
You do not need to call ObjectContext.SaveChanges within a using block that creates a TransactionScope.
You do not need to call ObjectContext.SaveChanges after associating an EntityTransaction with the connection.
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