private void send_btn_Click(object sender, EventArgs e)
 {
     ServiceEncrypt.ServiceClient test = new ServiceEncrypt.ServiceClient();
     try
     {
         dec_ans.Text = test.Decrypt(en_ans.Text);
     }
     catch (Exception ec)
     {
         dec_ans.Text = ec.Message.ToString();
     }
 }
 private void en_button_Click(object sender, EventArgs e)
 {
     ServiceEncrypt.ServiceClient test = new ServiceEncrypt.ServiceClient();
     try
     {
         en_ans.Text = test.Encrypt(en_input.Text);
     }
     catch (Exception ec)
     {
         en_ans.Text = ec.Message.ToString();
     }
 }