ASP.NET 4 Unleashed

Using the Items Collection

All the list items rendered by a List control are contained in the List control’s list item collection. This collection is exposed by the Items property.

You can work directly with the list items in this collection. For example, you can add or remove particular list items, or you can change the order of the list items.

The page in Listing 10.8 contains two ListBox controls and two button controls. When you click the Add button, a list item is moved from the first ListBox to the second ListBox control. When you click Remove, the list item is moved back to the original List control (see Figure 10.7).

Figure 10.7. Using the ListPicker to select list items.

Listing 10.8. ListPicker.aspx

The first ListBox in Listing ...