Data Access

There's a lot of great information on the net about accessing data in common data access patterns with ASP.NET 2.0. 

Videos

• SQL Server Videos  - If you're just learning about SQL Server, start with these beginner videos.
• How Do I: Access Data with LINQ to SQL - We've got lots of videos that will walk you step by step through using LINQ against a database.
• How Do I: Create Data-Driven Web Sites? 
• Databinding to User Interface Controls

Tutorials

From ScottGu's blog: Scott Mitchell recently finished writing his multi-part Working with Data in ASP.NET 2.0 tutorial series for the www.asp.net site.  This tutorial series contains more than 75 data tutorials (and over 750 pages of content!).  There are VB and C# versions available for all of the tutorials, and the articles can optionally be downloaded in PDF format.  If you haven't read the tutorials yet, I'd highly recommend you check them out here.

• Introduction
• Basic Reporting
• Master/Detail
• Custom Formatting
• Editing, Inserting, and Deleting Data
• Paging and Sorting
• Custom Button Actions
• Displaying Data with the DataList and Repeater
• Filtering Scenarios with the DataList and Repeater
• Editing and Deleting Data Through the DataList
• Paging and Sorting with the DataList and Repeater
• Custom Button Actions with the DataList and Repeater
• Accessing the Database Directly from an ASP.NET Page
• Enhancing the GridView
• Working with Binary Files
• Caching Data
• Database-Driven Site Maps
• Working with Batched Data
• Advanced Data Access Scenarios

Data Access Guides

• Data Access Application Block - patterns & practices group
  The Data Access Application Block is a component of Enterprise Library which reduces the amount of custom code that you need to create, test, and maintain when building data access layers in .NET applications.

And more to come! Also, check out the SQL Server Videos at http://www.asp.net/learn/sql-videos/.