The most important section in ADO.NET architecture is Ã¢â¬ÅData ProviderÃ¢â¬Â. Data Provider provides access to data source (SQL SERVER, ACCESS, ORACLE).
Command object(This is the responsible object to use stored procedures)
Data Adapter(This object acts as a bridge between datastore and dataset).
Datareader(This object reads data from data store in forward only mode).