protected void InitDetailContent()
        {
            try
            {
                UISyncContext = TaskScheduler.FromCurrentSynchronizationContext();
                ErrorTip      = new ErrorTip();

                if (Backend == null)
                {
                    Backend = new FISCA.Data.QueryHelper();
                }
            }
            catch
            {
            }
        }
        /// <summary>
        ///
        /// </summary>
        /// <param name="e"></param>
        protected override void OnSaveButtonClick(EventArgs e)
        {
            base.OnSaveButtonClick(e);

            ErrorTip.Clear();
            Dictionary <Control, string> errors = new Dictionary <Control, string>();

            try
            {
                RemoveErrorPanel();
                OnValidateData(errors);
            }
            catch (Exception ex)
            {
                ShowErrorPanel(ex);
                return;
            }

            if (errors.Count > 0)
            {
                foreach (KeyValuePair <Control, string> error in errors)
                {
                    ErrorTip.SetError(error.Key, error.Value);
                }
                return;
            }

            try
            {
                RemoveErrorPanel();
                OnSaveData();
            }
            catch (Exception ex)
            {
                ShowErrorPanel(ex);
            }
        }