how to bind 3 list items in the asp.net dropdownlist using Javascript

script type="text/javascript">

    function AddItem(Text,Value)

    {

        // Create an Option object                var opt = document.createElement("option");



        // Add an Option object to Drop Down/List Box

        document.getElementById("DropDownList").options.add(opt);        // Assign text and value to Option object

        opt.text = Text;

        opt.value = Value;



    }<script />