What is the role of the DataReader class in ADO.NET connections?

It returns a read-only dataset from the data source when the command is executed.

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Sep 15th, 2004
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swag
Profile Answers by swag

Dec 24th, 2005

When the command is executed it provides a read-only farward-only dataset from the datsource which requires a connection to be open.

Rahul Prashant Singh

Oct 14th, 2007

DataReader Class represents a read-only and forward-only stream of data.
An instance of this class is used to hold the data returned by executing the Select statement in the DBCommand object using Executereader() method of the DBCommand Class.