This book is a complete technical guide to upgrading Microsoft Visual Basic 6 applications to Microsoft Visual Basic .NET, it covers all aspects of upgrading from APIs to ZOrders. This book includes chapters on fixing upgrade issues with forms, language, data access and COM+ Services. It also shows how to add value to your upgraded applications with XML Web Services, ADO.NET and .NET remoting. Its has 'big picture' architectural advise, and includes a reference of function and object model changes from Visual Basic 6. The text is is decorated with hundreds of before-and-after code samples, and the companion CD is packed with useful upgrade examples. This book is an essential reference for the millions of Visual Basic 6 programmers who are considering moving up to Visual Basic .NET.