xmldatadocument.dataset. Anyone know how to perform a clear on the
dataset?  .clear isn't supported.  currently my only alternative is to
rebuild it each time, but this would be a process waste.

Writing data from a table to another
One DataTable class in two datasets - design-time support
Custom ADO.NET Provider, question about DbCommand.ExecuteReader
Concurreny violation on delete in dataset
Close not closing...