Sams Teach Yourself ADO.NET in 24 Hours

Hour 21. Optimizing Data Access Using Tiered Development

In the preceding hour, you saw how to take advantage of the strongly typed nature of the Microsoft .NET Framework by using a typed DataSet to perform data access to make your code more readable. In this hour, you'll see how to implement tiered development practices in your applications.

In this hour, you'll learn how to

• Create an assembly that will perform database access

• Return Product List data through your assembly to a product listing screen

• Use a custom class to return detailed product information