... Using ADO. NET Databases With the advent of the .NET Framework, Microsoft decided to update its model for accessing databases, ActiveX Data Objects (ADO) , and created ADO. NET. ADO. NET contains ... data retrieved from a database. An application that defines DataSet objects can execute queries that populate them, and then display and update the data that they contain. Internally, a DataSet ... DataTable objects in memory. At runtime, how does an application actually populate a DataSet? The answer lies in another object called the TableAdapter. A TableAdapter contains methods that...