Articles
.NET Data Access Architecture Guide, A Practical Comparison of ADO and ADO.NET, ADO.NET Overview, ADO.NET Primer, ADO.NET's Primary Objects, ADO.NET: Building a Custom Data Provider for Use w, ADO.NET: Tackle Data Concurrency Exceptions Using , Best Practices for Using ADO.NET, Data Access Application Block for .NET, Data Access: Implement a Data Access Layer for You
Microsoft ADO.NET
A set of classes that expose data access services to the .NET programmer.