Explain what a DropDownList object is and how you specify items you want to display in the list

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The DropDownList object allows users to select one item from a predefined list. It is similar to the ListBox object used in Windows applications, except that for a DropDownList object, the list of items remains hidden until users click the list arrow button. After adding a DropDownList object to a form and naming it, you can specify the items you want to display in the list. You often want to order these items alphabetically or numerically for ease of use. The first item in this list appears in the DropDownList object by default. The DropDownList object will not display the items in the list until you run the application and display the web form in a browser. The user must click the list arrow to view the complete list of items during execution. The prefix for the name (ID) of the DropDownList object in Visual Basic is ddl.