selectedValue Property

Gets value selected in list. Possible values: -1 means no selected item. In case of list of months, the range of values is 1-12, otherwise, value is selected year.

Syntax

ASP.NET Ajax Javascript (Specification)
function get_selectedValue() : Number

ASP.NET Ajax Javascript (Usage)
var resultVar = instanceOfCalendarListCloseEventArgs.get_selectedValue();