October 2010
Intermediate to advanced
1920 pages
73h 55m
English
Content preview from ASP.NET 4 Unleashed
Working with the
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Working with the ListBox Control
The ListBox control is similar to the DropDownList control with two important differences. First, the ListBox control requires more screen real estate because it always displays a certain number of list items. Furthermore, unlike the DropDownList control, the ListBox control enables a user to select multiple items.
The page in Listing 10.11 illustrates how you can enable a user to select a single item from a ListBox control (see Figure 10.10).
Figure 10.10. Displaying list items with the ListBox control.
Listing 10.11. ShowListBox.aspx
The ListBox control in Listing 10.11 includes a Rows property. The