/// <summary>
        /// Save the artist
        /// </summary>
        public static void SaveArtist(Artist artist)
        {
            if (!artist.Validate())
            {
                throw new ValidationException();
            }

            if (artist.ArtistID == 0)
            {
                ArtistDAL.InsertArtist(artist);
            }
            else
            {
                ArtistDAL.UpdateArtist(artist);
            }
        }
        /// <summary>
        /// Save the artist
        /// </summary>
        public static void SaveArtist(Artist artist)
        {
            if (!artist.Validate()) {
                throw new ValidationException();
            }

            if (artist.ArtistID == 0) {
                ArtistDAL.InsertArtist(artist);
            } else {
                ArtistDAL.UpdateArtist(artist);
            }
        }