Get some data out of the Northwind db

I'm trying to connect my sql server 2000. Wich components do i need to get, for example, the content in the orders db in the Northwind db.All you need is the classes located in the System.Data.SqlClient namespace. Here is an example on MSDN that gets a list of categories from the Categories table in Northwind:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemdatasqlclientsqlcommandclassctortopic.asp