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

            form.ShowDialog();

            if (form.status)
            {
                BedRequest request = new BedRequest();

                request.room_id  = Int32.Parse(roomid);
                request.bed_name = form.Get_BedName();

                progress_bar.Visibility = Visibility.Visible;

                if (await RestAPI.CreateBed(request))
                {
                    progress_bar.Visibility = Visibility.Collapsed;

                    if (send != null)
                    {
                        send.Invoke(roomid);
                    }
                    MessageBox.Show("Create Bed Successfull");
                }
                else
                {
                    progress_bar.Visibility = Visibility.Collapsed;

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