Tips:BizTalk Code mind...

1.Move your message transformations to the ports
2.Avoid using XmlDoc objects in your orchestration and use distinguished fields on a message
3.Move data validation to the pipeline or schema.
4.Avoid using orchestration for routing
5.Avoid calls to external assemblies that perform extensive processing, especially if they call web services or make calls to a database
6.Do not wrap calls to .NETobjects in atomic transactions because they are nonserializable
7.Use Parallel shapes carefully
8.Differentiate between scopes and transactions
9.Use pass-through pipelines where possible
10.Clean up suspended messages