Answer / Manish Kumar Meena

ADO.NET consists of four main components: Connection, Command, DataReader, and DataSet. The Connection object is used to establish a connection with the database; the Command object is used to execute SQL commands such as queries and stored procedures; DataReader provides a forward-only, read-only cursor over the data source; and DataSet is an in-memory cache of data that can be manipulated and bound to controls.

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