WebDropDown1.ClientEvents.DropDownClosed = "WebDropDown_DropDownClosed"
WebDropDown1.ClientEvents.DropDownClosed = "WebDropDown_DropDownClosed";
// The client event 'DropDownClosed' takes two parameters sender and e // sender is the object which is raising the event // e is the DropDownContainerEventArgs function WebDropDown_DropDownClosed(sender, e) { //Returns the state of the drop-down container - 0=closed, 1= opened var visible = e.getVisible(); if (visible == 0) { window.status = "DropDown Container Closed!"; } else window.status = "DropDown Container Opened!"; }