收藏贴
9.3.1 ：http://resources.arcgis.com/content/kbase?fa=articleShow&d=36939
9.3或以前 http://blogs.esri.com/Dev/blogs/arcgisserver/archive/2007/04/12/Configuring-your-server-to-display-a-_2200_Data-not-available_2200_-tile-for-empty-map-cache-areas.aspx
