MCAD/MCSD Training Guide (70-320): Developing XML Web Services and Server Components with Visual C#™ .NET and the Microsoft .NET Framework
by Amit Kalani, Priti Kalani
Introduction
Just about any application you can think of will need to store data. Database integration is important to many of these applications, and Web services and server applications are no exception to the rule. Fortunately, the .NET Framework and Visual C# .NET offer a rich and productive set of tools for working with data stored in data bases.
The Web services and server components exam presumes that you already have a working knowledge of ADO.NET. (If you need a refresher course, refer to Appendix A for the basics of ADO.NET.) The core object of ADO.NET is the DataSet, which provides a complete in-memory relational database. A DataSet object can contain multiple tables with keys and relationships, mimicking the structure of a relational ...
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