public static void Main()
    {
      WebClient webClient = new WebClient();
      byte[] response2 = webClient.DownloadData(LAW);
      string get = Encoding.UTF8.GetString(response2);

      NameValueCollection formData = new NameValueCollection();
      formData["txtFirstName"] = "Kyle";
      formData["txtLastName"] = "Rogers";
      formData["rbsearch"] = "Name";
      formData["btnSearch"] = "Search Public Records";
      formData[" __LASTFOCUS"] = string.Empty;
      formData[" __EVENTTARGET"] = string.Empty;
      formData[" __EVENTARGUMENT"] = string.Empty;
      formData["__VIEWSTATE"] = ExtractVariable(get, "__VIEWSTATE");
      formData["__EVENTVALIDATION"] = ExtractVariable(get, "__EVENTVALIDATION");

      byte[] responseBytes = webClient.UploadValues(LAW, "POST", formData);
      string response1 = Encoding.UTF8.GetString(responseBytes);
      Console.Write(response1);
      Console.ReadLine();
    }

    private static string ExtractVariable(string s, string valueName)
    {
      string tokenStart = valueName + "\" value=\"";
      string tokenEnd = "\" />";

      int start = s.IndexOf(tokenStart) + tokenStart.Length;
      int length = s.IndexOf(tokenEnd, start) - start;
      return s.Substring(start, length);
    }