WebDropDown1.ClientEvents.ItemMouseDown = "WebDropDown_ItemMouseDown"
WebDropDown1.ClientEvents.ItemMouseDown = "WebDropDown_ItemMouseDown";
// The client event 'ItemMouseDown' takes two parameters sender and e // sender is the object which is raising the event // e is the DropDownControlEventArgs function WebDropDown_ItemMouseDown(sender, e) { //Gets the reference of the WebDropDown var dropdown = $find("WebDropDown1"); //Gets the drop-down item that is clicked var item = e.get_value(); //Gets the drop-down items collection var items = dropdown.get_items(); //Removes the item from the collection items.remove(item); }
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2