'宣言 Public Class ListItem Inherits Infragistics.Web.UI.Framework.CollectionUIObject Implements Infragistics.Web.UI.IClientState, Infragistics.Web.UI.ICollectionObject, Infragistics.Web.UI.IDataObject, Infragistics.Web.UI.IObjectBase, Infragistics.Web.UI.ITemplatedObject, Infragistics.Web.UI.IUIObject