- Database Connection - Datereader requires an open database connection whereas Dataset does not require an open database connection
- Namespace - Datereader belongs to System.Data.SqlClient or System.Data.OleDB whereas Dataset belongs to System.Data
- Record Set - Datereader is forward only and read only whereas Dataset is not forward only and read only
- Data Source - Datereader can get data from managed data provider. Data cannot be loaded manually whereas Dataset can get data from managed data provider .Data can be loaded manually by XML etc.
- Performance - DataReader has faster retrival and better performance then Dataset
What is difference between Dataset and DataReader ?
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