On Thu, 26 Apr 2007 17:11:32 +0200, "Iver Odin Kvello" <iok at selvaag.no> wrote: > I don't really know why exactly, but the error given is > > Error: .NET error (System.InvalidCastException): Object must > implement IConvertible. Strange. Does that only happen for certain objects or always if you try to cast something back and forth? Thanks, Edi.