ADO.NET is a data access technology from Microsoft .Net Framework , which provides communication between relational and non-relational systems through a common set of components .

The two key components of ADO.NET are Data Providers and DataSet . The .Net Framework includes mainly three Data Providers for ADO.NET. The Microsoft SQL Server , OLEDB and ODBC are the main Data Providers in the .Net Framework. From the following pages you can see each component of ADO.NET in details with C# Source Code .