バージョン

ItemMouseOver プロパティ

シンタックス
'宣言
 
Public Property ItemMouseOver As String
public string ItemMouseOver {get; set;}
使用例
WebDropDown1.ClientEvents.ItemMouseOver = "WebDropDown_ItemMouseOver"
WebDropDown1.ClientEvents.ItemMouseOver = "WebDropDown_ItemMouseOver";
// The client event 'ItemMouseOver' takes two parameters sender and e
// sender  is the object which is raising the event
// e is the DropDownControlEventArgs
  
  function WebDropDown_ItemMouseOver(sender, e) {
     //Gets the drop-down item that has mouse on it
      var item = e.get_value();

      //Gets the text of the drop-down item
      var text = item.get_text();

      //Gets the index of the drop-down item
      var index = item.get_index();

      alert("Mouse is over the drop-down item '" + text + "' at index " + index);
  }
参照