From: http://connectedthoughts.wordpress.com/2008/04/02/3-ways-of-programatically-extracting-a-message-body-from-the-biztalk-tracking-database/
1. 使用Microsoft.BizTalk.Operations dll
http://www.webhostingsearch.com/blogs/richard/reading-the-message-body-and-context-from-the-biztalkdtadb-using-operations-library-in-biztalk-2006/
2. 使用WMI MSBTS_TrackedMessageInstance.SaveToFile方法
http://kentweare.blogspot.com/2007/05/biztalk-retrieving-tracked-messages.html
3.使用bts_GetTrackedMessageParts存储过程
http://www.tech-archive.net/Archive/BizTalk/microsoft.public.biztalk.general/2007-05/msg00124.html
