What DataReader class do in ADO.NET

1.	What DataReader class do in ADO.NET
Answer» What DataReader class do in ADO.NET To get read-only and FORWARD only ACCESS to data we use DataReader .The DataReader object reduces the SYSTEM overhead because one ROW at a time is taken into memory so it is quite lightweight. To get second object connection is reconnected. We can create a DataReader object by EXECUTE Execute reader() method. There are two Data Reader class one is SqlDataReader and other is OleDbDataReader.

Discussion