quote from site :
Series of tutorials that will explore techniques for implementing these common data access patterns in ASP.NET 2.0. These tutorials are geared to be concise and provide step-by-step instructions with plenty of screen shots to walk you through the process visually. Each tutorial is available in Visual Basic and Visual C# versions and includes a download of the complete code used.
http://www.asp.net/learn/data-access/?lang=cs#intro