Now that I can finally write to and read from my application without
any errors, it's time to get down to the nitty-gritty.

Take this XML Schema:
http://img81.imageshack.us/img81/3697/datasetscreen11lb.jpg

If I wanted to get all the associated rows in BASEMETALALLOY and/or
BASEMETALSTOCKS for a certain PRODUCT.AlloyCode how would I do it
considering that the tables are linked across more than 1 DataRelation?

Basically I need a guide to DataRelations which is easy to follow and
explains everything properly.

asp.net sql connection problem
SqlConnection - Timeout Property is read-only?
Operation must use an updateable query... while trying to write to Excel file
Performance of sqlDataReader.Close() is very bad?
Using @@Identity with access