Although you can use HTML controls on all types of pages, the real power comes when you use ASP.NET controls. ASP.NET controls appear in the Toolbox task pane in the following groups:
Standard. This group contains a standard set of controls, such as buttons, check boxes, drop-down lists, image maps, and calendar and wizard controls.
Data. This group has two types of controls:
View controls allow you to view the content from data sources in sophisticated grids and lists, very similar to List View Web Parts (LVWPs) and Data Views.
Data source controls allow you to define a data source.
Before you use a view control, you must insert a data source control on the page. You then bind the data source control to the view control. ...