/// <summary>
        /// 保存
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSave_Click(object sender, RoutedEventArgs e)
        {
            if (!ValidationManager.Validate(this))
            {
                return;
            }
            CategoryRequestApprovalVM info = GetVM();

            facade.UpdateCategory(info, (obj, arg) =>
            {
                if (arg.FaultsHandle())
                {
                    return;
                }
                CPApplication.Current.CurrentPage.Context.Window.Alert("保存成功");
                CloseDialog(DialogResultType.OK);
            });
        }