open
Opens the popup.
Example
<input id="dropdownlist" />
<script>
$("#dropdownlist").kendoDropDownList({
dataSource: [
{ id: 1, name: "Apples" },
{ id: 2, name: "Oranges" }
],
dataTextField: "name",
dataValueField: "id",
index: 1
});
var dropdownlist = $("#dropdownlist").data("kendoDropDownList");
dropdownlist.open();
</script>