I have a DataTable that is filled in from an SQL query to a local database, but I don\'t know how to extract data from it.
Main method (in test program):
Unless you have a specific reason to do raw ado.net I would have a look at using an ORM (object relational mapper) like nHibernate or LINQ to SQL. That way you can query the database and retrieve objects to work with which are strongly typed and easier to work with IMHO.