Huh? Why would the .net wrapper try casting MgByteReader to a MgDataReader? Strange. - Jackie -- View this message in context: http://osgeo-org.1560.n6.nabble.com/Blocking-issue-in-Mapguide-2-4-tp5034831p5034908.html Sent from the MapGuide Internals mailing list archive at Nabble.com.