Expert C# Business Objects (Books for Professionals by Professionals) Review

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Expert C# Business Objects (Books for Professionals by Professionals) ReviewFor large programming projects, an object oriented approach is now widely acknowledged as superior to an earlier procedural methodology. On a separate front, for reasons like scalability and fault tolerance, a project might be implemented across different machines, in a distributed computing layout.
As Lhotka explains, there are often times when it would be desirable to combine the two approaches. He lays out a multitier logical structure for a web application. Data is passed back and forth across the layers. A common problem is to validate the data according to some business logic. Traditionally, this might have been done at several layers, leading to code duplication and maintenance problems. Or, if it was implemented in only one layer, feedback about invalid data might be slow. An OO person would say, obviously, that you should wrap the data in an object that implements the business rules.
But passing this object between layers on different machines is not simple, to put it mildly. Lhotka offers us a framework that sits atop .NET to make this possible. He had an earlier version running under COM. But he shows how .NET is a far more powerful environment in which to redo the framework.
He gives us an elegant approach to mixing object oriented and distributed computing under .NET. So much so that you might wonder why Microsoft did not already build this out.Expert C# Business Objects (Books for Professionals by Professionals) Overview
This book is a translation of Rockford Lhotka's industry-standard title Expert One-on-One Visual Basic .NET Business Objects into C# language. Lhotka's ideas remain extremely influential in .NET development, and this book translates those ideas directly to you, the C# programmer.

Expert C# Business Objects reveals the opportunities available through .NET. You will learn to make informed decisions about developing your enterprise C# projects. Further, you will learn how to successfully trade off between performance and flexibility.

This book contains the author's component-based, scalable, logical architecture (CSLA .NET), an object-oriented framework that acts as the foundation for a range of enterprise applications which you are free to examine, use and modify.


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