http://msmvps.com/blogs/shahed/archive/2009/01/09/asp-net-tips-custombase-class-with-generic-class.aspxAll our ASP.NET pages must derive from System.Web.UI.Page class, but we can take the advantage of inheritance and create a Custom Base Class to manage Security, Session, Error Handling and other repetitive custom codes elegantly. We normally go and createenCommunityServer 2008.5 SP2 (Build: 40407.4157)