enableLoadOnDemand Property

load on demand is a kind of "virtual scrolling" where , once the user scrolls down to the bottom of the dropdown container new items are fetched from the server, if any indicates whether load on demand is enabled

Syntax

ASP.NET Ajax Javascript (Specification)
function get_enableLoadOnDemand() : Boolean

ASP.NET Ajax Javascript (Usage)
var resultVar = instanceOfWebDropDown.get_enableLoadOnDemand();