public bool DeletePlaylistSong(int playlist, int song)
{
DBMusicDataContext db = new DBMusicDataContext();
playlistsong songplay = db.playlistsongs.FirstOrDefault(x => x.playlistid == playlist && x.songid == song);
if (songplay == null)
{
return(false); //không tồn tại false
}
db.playlistsongs.DeleteOnSubmit(songplay);
db.SubmitChanges();
return(true);
}
public Boolean InsertNewPlaylistSong(int playlistid, int songid)
{
try
{
DBMusicDataContext db = new DBMusicDataContext();
playlistsong playlist = new playlistsong();
playlist.playlistid = playlistid;
playlist.songid = songid;
db.playlistsongs.InsertOnSubmit(playlist);
db.SubmitChanges();
return(true);
}
catch
{
return(false);
}
}
