Untitled

using HtmlAgilityPack;
using System.Net;

public String html;
        public Uri url;


private void buttonVeriAl_Click(object sender, EventArgs e)
        {
            VeriAl(textBoxLink.Text, "/html/body/div[7]/div[2]/div[1]/div[1]/div[1]/h1","name", listBox1);
        }
        public void VeriAl(String Url, String XPath,String dip, ListBox CikanSonuc)
        {
            try
            {
                url = new Uri(Url);

            }
            catch
            {
                MessageBox.Show("Hata");
            }

            WebClient client = new WebClient();
            client.Encoding = Encoding.UTF8;
            try
            {
                html = client.DownloadString(url);
            }
            catch (WebException)
            {
                MessageBox.Show("Hata URL");
            }

            HtmlAgilityPack.HtmlDocument doc = new HtmlAgilityPack.HtmlDocument();
            doc.LoadHtml(html);

            try
            {
            CikanSonuc.Items.Add(doc.DocumentNode.SelectSingleNode(XPath).Attributes[dip].Value);
            }
            catch (NullReferenceException)
            {
                MessageBox.Show("Hata xpath");
            }
        }