Description of The ADO.NET OleDbDataReader class :
The ADO.NET OleDbDataReader class is a tutorial through which you can learn about the DataReader class. SQLDataReader, OleDbDataReader, OdbcDataReader are the derived classes of the DataReader class. SqlDataReader is used for the SQL Server, OleDbDataReader, OdbcDataReader are used for ODBC and OleDB data sources. These classes are used to retrieve the database information.