Paging In ASP.NET. When making the transition from ASP to ASP.NET, you will discover that paging through database records has become both remarkably simple and more difficult at the same time. [123aspx Newest ASP.NET Resources]

Reasonably simple but effective - seems better than the apparent default behaviour when dealing with large databases.

Simulating include Files with an ASP.NET Server Control. Learn to create a server control to include common HTML across multiple pages. Since ASP.NET 1.1 has no built-in means of maintaining a common look and feel across multiple Web sites, simulating #include files enables you to modify HTML for multiple sites in one location. [MSDN: ASP.NET]

Adding Design Time Support to ASP.NET Controls. Discover how you can add design-time support to your ASP.NET Server Controls. This allows your users to work with your controls as easily as they work with the built-in ASP.NET controls. [MSDN: .NET Framework and CLR]