You work as a Web Application Developer for SunInfo Inc. The company uses Visual Studio 2008 as its application development platform. You create a Web application using .NET Framework 3.5. You…

You work as a Web Application Developer for SunInfo Inc. The company uses Visual Studio 2008 as its application development platform. You create a Web application using .NET Framework 3.5. You create a data-bound control. You want to retrieve data from a relational database and edit data on the Web page by using the data-bound control. Which of the following data source classes will you use to accomplish the task?