Product Description
This book is intended to discuss architecture and implementation of true three-tier applications with MTS. The book will use both Visual Basic and Visual InterDev as development platforms but the emphasis is always on the VBA/VBScript language. The goal of this book is to help programmer's create applications that use a single set of business objects from both a thin web client and a thin Visual Basic client. The book is divided into four parts that encompass the user services, business services, and data services followed by a final complete project. The four parts of the book include the Data Services Layer, Business Services Layer, User Services Layer, and Project. Topics covered will include: Visual Basic Business Objects, COM/DCOM, Microsoft Transaction Server, Data Access with ADO, Transaction Server API, Transaction Processing, Creating Visual Basic front ends, Using Microsoft Transaction Server with IIS.
From the Author
READ THIS FIRST!!!!Before you buy this book or any other, you should understand the philosophy of the book completely. So here it is! WHAT THIS BOOK IS NOT: This book is not an examination of COM, V-tables, spawning your own threads, or other "black-belt" topics. WHAT THIS BOOK IS: This book is a framework and methodology for creating MTS applications in the real world. In my professional work and presentations, developers are always cornering me and asking for concrete guidance on how to create distributed applications in the real world. They understand all the theory, but cannot implement the ideas practically. This is one attempt to show you practical applications. I discuss real issues such as resource management and connection pooling. I discuss in detail strategies you can use to take advantage of these technologies and put them to use. I also show in detail how to partition your application so that it is maintainable and robust. Are there other approaches to distributed applications besides this one? Yes! This book does not claim to be the only answer - just a good one. Before you buy this book, you should already be familiar with ActiveX DLL creation and the fundamentals of ADO. I took a risk in writing this book, because there will undoubtedly be screaming from some folks that they have a better way. So be it! When you get something out of this book, I'd love to hear from you. Best of luck - writing distributed applications is challenging to say the least.
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