You work as a Windows Application Developer for company Inc. The company uses Visual Studio .NET 2008 as its application development platform. You create a Windows Forms application using .NET…

You work as a Windows Application Developer for company Inc. The company uses Visual Studio .NET 2008 as its application development platform. You create a Windows Forms application using .NET Framework 3.5. The application contains a data-bound control. You want to display both hierarchical and tabular data by using the data-bound control. Which of the following GUI-based data source classes will you use to accomplish the task?