http://blogs.msdn.com/adonet/archive/2007/12/06/entity-framework-beta-3-breaking-changes.aspxThere were a number of changes to the Entity Framework between Beta 2 and Beta 3 that will require updates to existing source code. These breaking changes can be found here including the mitigation for adjusting to the new behavior, and a side by sideenCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/adonet/archive/2007/12/06/entity-framework-beta-3-breaking-changes.aspx#9221884Mon, 15 Dec 2008 21:42:50 GMT91d46819-8472-40ad-a661-2c78acb4018c:9221884Friedhelm Derstadt<p>Hello,</p> <p>I would like to get in contact with you. Please, return to </p> <p>derstadt@wanadoo.fr</p> <p>Best regards,</p> <p>Friedhelm Derstadt</p> <p>46, rue de Pont-L'Abb&#233;</p> <p>FR 29710 Ploz&#233;vet</p> <p>France</p>