Version

enableMultipleSelection Property

sets / enables multiple selection in general. Further, multiple selection can be either implemented with checkboxes or with sets / enables multiple selection in general. Further, multiple selection can be either implemented with checkboxes
Syntax
ASP.NET Ajax Javascript (Specification) 
function get_enableMultipleSelection() : Boolean
ASP.NET Ajax Javascript (Usage) 
var resultVar = instanceOfWebDropDown.get_enableMultipleSelection();
See Also