You can read all about it here: http://docs.openlayers.org/library/introduction.html OpenLayers - Getting Started /Kristian Frost -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/openlayers-in-ASP-NET-tp5431732p5431789.html Sent from the OpenLayers Users mailing list archive at Nabble.com.