Reusable Page Class Library (ASP.NET)

Code Project has a 4-part series on creating a web page class library that can be implemented in your web application:

• BasePage, MenuPage and VerticalMenuPage - A set of common, reusable page classes for ASP.NET applications.
• BasePage (continued) - Detecting changes in data controls in ASP.NET web forms.
• EmailPage - An ASP.NET page class that has the ability to e-mail its rendered content.
• PageUtils - A utility class containing some useful features for ASP.NET applications.