When you run into an issue or have a question about ASP.NET Dynamic Data , the best place for it is the Dynamic Data Forum .  When you write your question, there are a few simple things that you can do to make it easier for the ‘experts’ to answer...

When you use Entity Framework, you can perform Insert/Update/Delete operations on your entities, and you eventually call ObjectContext.SaveChanges() to actually make it all happen.  The call to SaveChanges() is either explicit, or can happen implicitly...