[Solved] ASP.Net Error: No overload for method PingAddress takes 1 arguments

Error 

Server Error in '/unit/odbc' Application.
Compilation Error
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS1501: No overload for method 'PingAddress' takes 1 arguments

Source Error:
Line 89:                 lock (pingResults.Rows.SyncRoot)
Line 90:                 {
Line 91:                     pingResults.Rows.Add(ipAddress[i], GetMacAddress(ipAddress[i]), GetMacAddress(ipAddress[i]), PingAddress(ipAddress[i]), message, Location[i]);
Line 92:                 }
Line 93:                 //  Thread.Sleep(10);

Source File: f:\Intranet\mejaitapps\unit\WebSiteWithDSN\Default2.aspx.cs    Line: 91

Show Detailed Compiler Output:

Show Complete Compilation Source:

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3062.0

public partial class _Default2 : System.Web.UI.Page
{
    SqlConnection con = new SqlConnection(@"Data Source=10.1.246.4;Initial Catalog=OCMS;User ID=dba_ntpc_meja_intranet;Password=alpha$890;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False");
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            refreshdata();
            refreshdata1();
            display1();
            display2();
            display3();
            if (Session["load"] != null)

                Session["load"] = Convert.ToString(Convert.ToInt32(Session["load"]) + 1);
            else
                Session["load"] = 1;

            lblTime.Text = DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt");
        }
        int total = Convert.ToInt32(Label1.Text) + Convert.ToInt32(Label2.Text);
        Label3.Text = total.ToString();

        if (!IsPostBack)
        {
            BindTable();
            BindTable1();
        }

        DataTable pingResults = new DataTable();
        pingResults.Columns.AddRange(new DataColumn[] {
                   // new DataColumn("Date", typeof(DateTime)),
                    new DataColumn("IP", typeof(string)),
                    new DataColumn("MacAddress",typeof(string)),
                    new DataColumn("MachineName",typeof(string)),
                    new DataColumn("Speed",typeof(string)),
                    new DataColumn("Message",typeof(string)),
                    new DataColumn("Location",typeof(string))});
        try
        {
            pingResults.Clear();
            List<string> ipAddress = new List<string>();
            ipAddress.Add("10.1.246.41");
            ipAddress.Add("10.1.246.59");
            ipAddress.Add("10.1.150.11");
            ipAddress.Add("10.1.246.62");
            ipAddress.Add("www.youtube.com");
            ipAddress.Add("www.google.com");
            List<string> Location = new List<string>();
            Location.Add("UCB");
            Location.Add("MGR");
            Location.Add("Switchyard");
            Location.Add("Township");
            Location.Add("youtube");
            Location.Add("google");
            Location.Add("CCR ");
            for (int i = 0; i < ipAddress.Count; i++)
            {
                Ping ping = new Ping();
                PingReply pingReply = ping.Send(ipAddress[i].ToString());
                string message = (pingReply.Status == IPStatus.Success) ? "OK" : "Down";
                lock (pingResults.Rows.SyncRoot)
                {
                    pingResults.Rows.Add(ipAddress[i], GetMacAddress(ipAddress[i]), GetMacAddress(ipAddress[i]), PingAddress(ipAddress[i]), message, Location[i]);
                }
                //  Thread.Sleep(10);
            }
            GridView3.DataSource = pingResults;
            GridView3.DataBind();
        }
        catch (Exception ex)
        {

        }
    }

    protected void OnTime(object sender, EventArgs e)
    {
        lblTime.Text = DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt");
    }

    public string GetMacAddress(string ipAddress)
    {
        string macAddress = string.Empty;
        System.Diagnostics.Process pProcess = new System.Diagnostics.Process();
        pProcess.StartInfo.FileName = "arp";
        pProcess.StartInfo.Arguments = "-a " + ipAddress;
        pProcess.StartInfo.UseShellExecute = false;
        pProcess.StartInfo.RedirectStandardOutput = true;
        pProcess.StartInfo.CreateNoWindow = true;
        pProcess.Start();
        string strOutput = pProcess.StandardOutput.ReadToEnd();
        string[] substrings = strOutput.Split('-');
        if (substrings.Length >= 8)
        {
            macAddress = substrings[3].Substring(Math.Max(0, substrings[3].Length - 2))
                        + "-" + substrings[4] + "-" + substrings[5] + "-" + substrings[6]
                        + "-" + substrings[7] + "-"
                        + substrings[8].Substring(0, 2);
            return macAddress;
        }
        else
        {
            return "not found";
        }
    }

    private static long PingAddress(string address, int timeout)
    {
        try
        {
            Ping pingClass = new Ping();
            PingReply pingReply = pingClass.Send(address, timeout);
            return pingReply.RoundtripTime;
        }
        catch (Exception e)
        {

        }
        return -1;
    }
    private string GetMachineName(string ipAdress)
    {
        string machineName = string.Empty;
        try
        {
            IPHostEntry hostEntry = Dns.GetHostEntry(ipAdress);
            machineName = hostEntry.HostName;
        }
        catch (Exception ex)
        {

        }
        return machineName;
    }
}