C# OraOLEDB.Oracle Provider Not Registered

http://social.msdn.microsoft.com/forums/en-US/adodotnetdataproviders/thread/1cd543ac-930e-4c32-b1ba-8a4f2beb9999/

http://blog.csdn.net/vagabond1/archive/2010/07/07/5717696.aspx

这个比较好，应该能解决这个问题。

解决 'OraOLEDB.Oracle.1' provider is not registered

http://www.verycd.com/topics/2812660/