ADO.NET

ADO.NET is the underlying data access framework for C#.

What is ADO.NET?

ADO.NET is the underlying data access framework for C#. Prior to the release of the .NET framework Microsoft created a data access library called ADO (Active Data Objects).

ADO.NET is the framework that was designed for the .NET framework that allows code to access a variety of Relational Database Management Systems (RDBMSs).

Level: Apprentice · More C# terms at this level

Updated September 27, 2026