How to: Add ListBox Web Server Controls to a Web Forms Page

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The process of adding a ListBox Web server control consists primarily of setting options for how items should be displayed and whether users can select multiple items.

To add a ListBox control to a Web Forms page

  1. Type an <asp:ListBox> element onto the page(for syntax, see ListBox Web Server Control), and then set the following properties:

    Property Description


    Set to specify how many items should be displayed at once.


    You can also set the Height property to a pixel value. If you do, it takes precedence over the value of the Rows property. However, not all browsers support the Height property, so you should set the Rows property also.


    Set to Single or Multiple to specify how many items users can select.

  2. Create items for the control in one of these ways:

See Also

JavaScript Editor jscript editor     Web designer