Version

loadingItemsMessageText Property

shows a loading message while the AJAX postback to request more items is executing shows a loading message while the AJAX postback to request more items is executing
Syntax
ASP.NET Ajax Javascript (Specification) 
function get_loadingItemsMessageText() : String
ASP.NET Ajax Javascript (Usage) 
var resultVar = instanceOfWebDropDown.get_loadingItemsMessageText();
See Also