private async void btn_create_Click(object sender, RoutedEventArgs e)
        {
            FormCreateService form = new FormCreateService();

            form.ShowDialog();

            if (form.status)
            {
                progress_bar.Visibility = Visibility.Visible;

                ServiceResquest service = new ServiceResquest();

                service.service_name        = form.getServiceName();
                service.service_description = form.getServiceDescription();
                service.service_duration    = form.getServiceDuration();
                service.service_transit     = form.getServiceTransit();
                service.service_cost        = form.getServiceCost();

                service.pathPhoto = form.getPathPhoto();
                service.filePhoto = File.ReadAllBytes(service.pathPhoto);

                if (await RestAPI.CreateService(service))
                {
                    progress_bar.Visibility = Visibility.Collapsed;

                    MessageBox.Show("Create Service Successful");

                    if (send != null)
                    {
                        send.Invoke();
                    }
                }
                else
                {
                    progress_bar.Visibility = Visibility.Collapsed;

                    MessageBox.Show("Fail");
                }
            }
        }