http://blogs.msdn.com/b/timmall/archive/2006/11/11/ado-net-entities-in-orcas-ctp.aspxThe latest Orcas CTP has ADO.NET Entities available and we have posted some samples . The bits available with the Orcas CTP do not have LINQ support or out of the box tooling, if you want LINQ support then you should pull our August CTP and Tools en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/timmall/archive/2006/11/11/ado-net-entities-in-orcas-ctp.aspx#8412703Sun, 20 Apr 2008 22:10:56 GMT91d46819-8472-40ad-a661-2c78acb4018c:8412703Trading Strategy &raquo; ADO.NET Entities in Orcas CTP<p>PingBack from <a rel="nofollow" target="_new" href="http://stocks-options-trading.info/trading-strategy/?p=898">http://stocks-options-trading.info/trading-strategy/?p=898</a></p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=8412703" width="1" height="1">