public string OnClientDropDownClosed { get; set; }

Public Property OnClientDropDownClosed As String
	Get
	Set

public:
property String^ OnClientDropDownClosed {
	String^ get ();
	void set (String^ value);
}

member OnClientDropDownClosed : string with get, set

<script language="javascript">                

function HandleClose(sender, args) 
{  
        alert("Closed combobox with " + sender.get_items().get_count() + " items"); 

} 

</script> 


<kettic:kaxcombobox  
      id="KaxComboBox1"  
      Runat="server"  
      OnClientDropDownClosed="HandleClose"> 
</kettic:kaxcombobox>