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ASP.NET Developer's JumpStart by Ken Getz, Paul D. Sheriff

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The System.Data Namespace

This book will take advantage of three namespaces that allow you to work with data within the application in this book: System.Data, System.Data.OleDb, and System.Data.SqlClient. (Microsoft and other vendors will add support for additional data namespaces in the future.) The System.Data namespace contains classes that manage data within memory. System.Data.OleDb and System.Data.SqlClient provide classes that can connect to data sources, read and write data, and fill System.Data objects with data.

The SqlClient and OleDb Namespaces

Microsoft has provided two namespaces that we'll use for managing data throughout this book. The System.Data.OleDb namespace allows you to work with data using “unmanaged” OLE DB providers ...

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