private void Button_Click(object sender, RoutedEventArgs e)
        {
            var win = new PatientDetail();

            win.ShowDialog();

            Window_Loaded(null, null);
        }
        private async void BtnEdit_Click(object sender, RoutedEventArgs e)
        {
            if (dgCase.SelectedItems.Count <= 0)
            {
                await this.ShowMessageAsync("错误", "选择一个病例后编辑");

                return;
            }

            var win = new PatientDetail(dgCase.SelectedItems[0] as PatientModel);

            win.ShowDialog();
        }