... a Namespace called System. Data. Although this Namespace has classes in it, such as DataSet and DataTable, it also has Namespaces within it called System. Data.OleDb and System. Data.SQLClient, ... the classes found in the System. Data.SQLClient Namespace. However, if you are not sure what database you will be working against, you should use the classes found in System. Data.OleDb. For this ... check out the .NET Namespaces, choose Object Browser from the View menu. You can then expand the System. Data Namespace to see the other Namespaces contained within. If you are positive that the...