This is my code for c# web application , pls help me ..

Question

This code is running , but it can't  send a message in my whats app using c# asp.net web application .. 
Can anyone here help me plz ? 



using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using WhatsAppApi;

namespace WebApplication3

{

public partial class _Default : System.Web.UI.Page

{

protected void btnSend_Click(object sender, EventArgs e)

{

string from = "[phone]";

string to = txtTo.Text;

string msg = txtMessage.Text;

WhatsApp wa = new WhatsApp(from, "9+gmQ0wGCCl/o1tb/RpOJqYCHgw=", "Ej", false, false);

wa.OnConnectSuccess += () =>

{

MessageBox("Connected to WhatsApp ...");

wa.OnLoginSuccess += (phoneNumber, data) =>

{

wa.SendMessage(to, msg);

MessageBox("Message Sent...");

};

wa.OnLoginFailed += (data) =>

{

MessageBox("Login Failed:");

};

wa.Login();

};

wa.OnConnectFailed += (ex) =>

{

MessageBox("Connection Failed...");

};

wa.Connect();

}

public void MessageBox(string MessageBox) {

Page.ClientScript.RegisterStartupScript(Page.GetType(), "Message Box", "<script language='javascript'>alert('" + MessageBox + "')</script>");

}

}

}