CodeDom: Emit SendPropertyChanging() in attach+detach handlers.
CodeDom: Emit SendPropertyChanging() in attach+detach handlers.

.NET SqlMetal does this, so we should follow suit.


git-svn-id: 1800f71f313d917366f95485fa960eed04b40598@1377 33146b6e-df29-0410-a1ca-39be37fb9416

koush/dblinq,koush/dblinq