How to send a whatsapp message in asp.net mvc 5 can you please share me your answers.
I am already create in c# but that the coding also not working properly  if i run a program it always shows like connection failed not authorized. i declare a coding below..
 private void button1_Click(object sender, EventArgs e)
        {
            string from = "xxxxxxxxxxmy Mobile Number";
            string TO = textBox1.Text;
            string Message = textBox2.Text;
            WhatsApp wa = new WhatsApp(from, "xxxxxxxxxxxxxxxxxxx", "Thamizh, false, false");
            wa.OnConnectSuccess += () =>
            {
                MessageBox.Show("Connected to Whatsapp");
                wa.OnLoginSuccess += (PhoneNumber, data) =>
                {
                    wa.SendMessage(TO ,Message);
                    MessageBox.Show("Message send successfully");
                };
                wa.OnLoginFailed += (data) =>
                {
                    MessageBox.Show("Login Failed :{0}", data);
                };
                wa.Login();
            };
            wa.OnConnectFailed += (ex) =>
            {
                MessageBox.Show("Connection Failed");
            };
            wa.Connect();
        }