Q. While developing ASP.NET 2.0 web application you want to display a list of parts in a master/detail scenario where the user can select a part number using a list that takes a minimum amount of space on the Web page. When the part is selected, a DetailsView control displays all the information about the part and allows the user to edit the part. Which Web control is the best choice to display the part number list for this scenario?

 A. The DropDownList control
 B.The RadioButtonList control
 C.The FormView control
 D.The TextBox control
Ans: A