//refreshes data list of song
protected void RefreshSong(int audio_id)
{
if (Session[audio_id.ToString()] == null) //adds listen if user didn't listen
{
AudioFiles.AddListen(audio_id);
Session[audio_id.ToString()] = true;
}
DataList1.DataSource = AudioFiles.GetFileById(audio_id);
DataList1.DataBind();
}