public void UpdateSongByNetID(SongData song)
{
int index = FindNetIdIndex(song.NetID);
if (index >= 0)
{
Songs[index] = song.Clone();
}
}
public void AddSongWithNewNetID(SongData song)
{
m_lastNetId += 1;
song.NetID = m_lastNetId.ToString();
Songs.Add(song.Clone());
}