关于数据虚拟化的几个帖子 http://social.msdn.microsoft.com/Forums/en-US/winappswithcsharp/thread/e71b7036-4fb7-4963-a65d-5bcb9fd8f664 http://social.msdn.microsoft.com/forums/zh-cn/winappswithcsharp/thread/1895d485-4dce-4f7c-8318-6bb602ca44b3/ http://www.cnblogs.com/infixu/archive/2013/03/12/ISupportIncrementalLoading.html