http://msmvps.com/blogs/kathleen/archive/2008/02/13/isolating-metadata.aspxIn code generation, metadata is the information about your application, generally about your database and definitions to express your data as business objects. If you use Entity Framework, your metadata is the edmx file which is displayed via the designersenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://msmvps.com/blogs/kathleen/archive/2008/02/13/isolating-metadata.aspx#1518027Mon, 18 Feb 2008 14:05:42 GMTd67277c4-116b-43f1-b688-e9ef184ea916:1518027Mike<p>Hi Kathleen,</p> <p>Just curious if your metadata also contains validation rules or not? &nbsp;Things like property is required or range of valid values.</p> <div style="clear:both;"></div><img src="http://msmvps.com/aggbug.aspx?PostID=1518027" width="1" height="1">