Podcatcher.PodcastSqlModel.deleteEpisodeFromDB C# (CSharp) Method

        public void deleteEpisodeFromDB(PodcastEpisodeModel episode)
        {
            var queryDelEpisode = (from e in Episodes
                                   where episode.EpisodeId.Equals(episode.EpisodeId)
                                   select episode).FirstOrDefault();

            Episodes.DeleteOnSubmit(queryDelEpisode);
            SubmitChanges();
        }