public void DeletePost()
    {
        string result = String.Empty;

        try
        {
            var post = (from p in ne.posts
                        where p.postid == postid
                        select p).FirstOrDefault();
            if (post != null)
            {
                ne.DeleteObject(found);
                ne.SaveChanges();
            }
        }
        catch (Exception ex)
        {
            lblErr.Text = String.Format("<p>An error occurred while trying to delete your post:</p><p>{0}</p>", ex.InnerException);
        }
    }