public void Save(IPersistStream stream)
{
stream.Save("dbconn", _dbConn.ToString());
stream.Save("table", _table);
stream.Save("idfield", _idField);
stream.Save("xfield", _xField);
stream.Save("yfield", _yField);
if (_sRef != null)
{
stream.Save("sref", _sRef.ToXmlString());
}
}
