Eric White is an independent software consultant with over 20 years of experience building management information systems, accounting systems, and other types of rich-client and n-tier database applications. He has written custom controls in numerous windowing systems, including all versions of Microsoft Windows since 2.0, Macintosh, OS/2, X/Motif, and others. White has particular interest in object-oriented design methodologies, including use case analysis, UML, and design patterns. After years of working with too many varieties of technologies to list, he currently specializes in C#, Visual Basic .NET, ASP.NET, ADO.NET, XML, COM+, GDI+, SQL Server, and other Microsoft technologies.