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DataSets, DataTables, and DataViews (ADO.NET)

The ADO.NET DataSet is a memory-resident representation of data that provides a consistent relational programming model regardless of the source of the data it contains. A DataSet represents a complete set of data including the tables that contain, order, and constrain the data, as well as the relationships between the tables.

There are several ways of working with a DataSet, which can be applied independently or in combination. You can:

A strongly typed DataSet can also be transported using an XML Web service. The design of the DataSet makes it ideal for transporting data using XML Web services. For an overview of XML Web services, see XML Web Services Overview. For an example of consuming a DataSet from an XML Web service, see Consuming a DataSet from an XML Web Service (ADO.NET).

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ADO.NET

ADO.NET Managed Providers and DataSet Developer Center