How can I reject all changes in a Linq to SQL's DataContext?

Question

On Linq to SQL\'s DataContext I am able to call SubmitChanges() to submit all changes.

What I want is to somehow reject all changes in the datacontext and rollback a

Answer 1

Calling Clear() on the Updates, Deletes and Inserts collection does not work.

GetOriginalEntityState() can be useful, but it only gives the IDs for foreign key relationships, not the actual entities so you're left with a detached object.

Here's an article that explains how to discard changes from the data context: http://graemehill.ca/discard-changes-in-linq-to-sql-datacontext

EDIT: Calling Refresh() will undo updates, but not deletes and inserts.