ADO.Net offers following Benefits
XML Format is one of the best formats for Interoperability.ADO.NET supports to transmit the data using XML format.
ADO.NET works on Dataset that can represent a whole database or even a data table as a disconnected object and thereby eliminates the problem of the constraints of number of databases being connected. In this way scalability is achieved.
The performance in ADO.NET is higher in comparison to ADO that uses COM marshalling.
ADO.Net Data components in Visual studio help to do easy program to connect to the database.