Provides a means of reading one or more forward-only streams of result sets obtained by executing a command at a data source, and is implemented by .NET Framework data providers that access relational databases.
See Also: IDataReader Members
The System.Data.IDataReader and System.Data.IDataRecord interfaces allow an inheriting class to implement a DataReader class, which provides a means of reading one or more forward-only streams of result sets. For more information about DataReader classes, see [<topic://cpcontheadonetdatareader>].
Classes that inherit System.Data.IDataReader must implement the inherited members, and typically define additional members to add provider-specific functionality.
Changes made to a result set by another process or thread while data is being read may be visible to the user of a class that implements an IDataReader. However, the precise behavior is both provider and timing dependent.