ADO.NET vs ADO

• ADO.NET is considered as evolution version of ADO.
• ADO.NET works with both connected as well as disconnected fashion whereas ADO works with connected architecture.
• ADO.NET provides disconnected access through DataSet while ADO provides disconnected access using recordset.
• ADO.NET use XML to transfer data between objects while ADO use binary format to transfer data.

ADO.NET is shipped with .Net Framework and implemented using .Net methodology whereas ADO relies on COM