//deletes a user and all related songs, comments and likes. public static bool DeleteUser(int id) { try { AudioFiles.DeleteAllFileOfUser(id); Comments.DeleteAllCommentsOfUser(id); Likes.DeleteAllLikesOfUser(id); string sql = string.Format("DELETE FROM USERS WHERE ID={0}", id); Dal.ExecuteNonQuery(sql); } catch (Exception e) { return(false); } return(true); }