private async void BtPatch_Click(object sender, RoutedEventArgs e)
        {
            body     = Panel.Text;
            InvDetId = TbInvDetId.Text;
            //var bodyPM = JObject.Parse(panel.Text);

            try
            {
                await Task.Run(() =>
                {
                    var request = new PatchRequest();

                    request.SendRequest(body, InvDetId);

                    MessageBox.Show(request.statusCode, "Status Code");
                });
            }
            catch (Exception err)
            {
                if (err != null)
                {
                    Panel.Text = err.ToString();
                }
            }
        }