private static void LoadSongDataColumns(SongData song, DbDataReader reader, int ofs)
{
song.Title = reader.SafeString(ofs + 0);
song.GroupName = reader.SafeString(ofs + 1);
song.Author = reader.SafeString(ofs + 2);
song.Lang = reader.SafeString(ofs + 3);
song.NetID = reader.SafeString(ofs + 4);
song.Transp = reader.SafeInt(ofs + 5);
song.Remark = reader.SafeString(ofs + 6);
}