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answers:

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I've written a 2-tier C# asp.net application. Everything works OK, but if I modify the SQL Server data using the management console, the changes are not displayed on screen. It seems the application reads the data from a cached instance. I have tried everything to make sure it's not a browser cache issue... the data remains static until I restart the app or restar the web site. even clearing IIS cache doesn't help. If the data is updated by the application, it works ok... Any info about a default setting on the EF that caches data automatically? I'm running Win Server 2k8 and SQL Server 2008, but the problem was there also for SQL2005.

A: 

I have no experience with this, but maybe the SqlCacheDependency can help you. See this article for more info: http://davidhayden.com/blog/dave/archive/2006/04/29/2929.aspx

Roger