Threading concept to improve the webbrowsers URL navigation process in C#

See more:

Windows

WebBrowserControl

C#6.0

I have developed a simple Id checking windows forms with C# application to check a set of given Ids valid or not by passing to a webpage using webbrowser control and getting the reply and everything is working fine,its taking 40 - 60 seconds for 20 Ids.one by one.Now i want to speed up the same process using advance threading concept in C# .

my working code as under .

private void button2_Click(object sender, EventArgs e)
       {
           string url = "https://idscheckingsite.com";
           WebBrowser wb = new WebBrowser();
           wb.ScriptErrorsSuppressed = true;
           wb.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(Final_DocumentCompleted);
           wb.Navigate(url);

       }

private void Final_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
       {
           WebBrowser wbs = sender as WebBrowser;
           wbs.Document.GetElementById("pannumber").InnerText = ListsofIds[ids];
           wbs.Document.GetElementById("frmType1").SetAttribute("value", "24Q");
           HtmlElement btnlink = wbs.Document.GetElementById("clickGo1");
           btnlink.InvokeMember("Click");

           //string response = wbs.DocumentText;
           wbs.DocumentCompleted -= new WebBrowserDocumentCompletedEventHandler(Final_DocumentCompleted);
           wbs.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(Final_result);
       }

private void Final_result(object sender, WebBrowserDocumentCompletedEventArgs e)
       {

           WebBrowser wbResult = sender as WebBrowser;

           string status = wbResult.Document.GetElementById("status").InnerText;
           string name = wbResult.Document.GetElementById("name").InnerText;

           wbResult.DocumentCompleted -= new WebBrowserDocumentCompletedEventHandler(Final_result);
           wbResult.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(Final_DocumentCompleted);

           DataRow dr = dt.NewRow();

           dr[0] = PANNumber[ids];
           dr[1] = status;
           dr[2] = name;

           dt.Rows.Add(dr);
           ++ids;

           if (ids < 20)
               wbResult.Navigate(vurl);
           else
           {
               dataGridView1.DataSource = dt;
           }
       }

How to improve the performance to the Maximum using threading in C# . Please help me its urgent . thanks in Advance .

- Martin

What I have tried:

tried using windows webbrowser control taking 44 - 60 seconds for 20 ids checking .