public DataFeed(OracleAccess oa, string fn, int sn)
 {
     this.oa            = oa;
     this.Seqno         = sn;
     this.Filename      = fn;
     this.FeedContainer = Encoding.UTF8.GetString(Encoding.UTF8.GetBytes(oa.getXmlFeed(fn, sn)));
 }