Here's a code sample for an example batch class. This contains some of the common methods that one would override when creating something you would want to be able to run in batch.

Here's a code sample showing how to post a Transfer Order pick list in X++ in 2009.

Discover how to create a lookup manually when the control isn't bound to a datasource field.

This covers how to connect to an external ODBC data source and execute a stored procedure.