Getting html title from aiondatabase.net

    private void button8_Click(object sender, EventArgs e)
        {
            var wc = new WebClient{Encoding = Encoding.UTF8};
            wc.DownloadStringCompleted += ObtainItemName;
            wc.DownloadStringAsync(new Uri(uiURL_Items.Text));
        }

        static int titlelen = "<title>".Length;
        private void ObtainItemName(object sender, DownloadStringCompletedEventArgs e)
        {
            if (e.Error != null)
            {
                MessageBox.Show(e.ToString(), "Exception while loading file");
                return;
            }
            var s = e.Result.Split('\n');
            var r = "<error>";
            if (s.Length < 4)
            {
                uiResult_Items.Text = r;
                return;
            }
            var line = s[3];
            line = line.Remove(0, titlelen);
            var id = line.IndexOf(" - Aion", StringComparison.Ordinal);
            line = line.Remove(id);
            if (string.IsNullOrWhiteSpace(line))
            {
                uiResult_Items.Text = r;
                return;
            }
            r = line;
            uiResult_Items.Text = r;
        }