----- Start Date Alert column

  private void BuildStartDateAlertColumn()
        {
            //Expression<Func<Trip, DateTime?>> nameExpression = trip => trip.Events[0].EVENT_DATE;

            Func<Trip, DateTime?> GetTimeEVentStart = delegate (Trip t)
            {
                Event result = t.Events[0];

                return result.EVENT_DATE;
            };

            Expression<Func<Trip, DateTime?>> nameExpression = trip => GetTimeEVentStart(trip);

            startDateAlertColumn = GetNameFilteredColumn(nameExpression, Res.START_DATE_ALERT);
            startDateAlertColumn.Align = EBTJqGridColumn.EBTJqGridColumnAlignment.Left;
            startDateAlertColumn.Type = EBTJqGridColumn.FormatterType.DATETIME;
            startDateAlertColumn.Searchable = true;
            startDateAlertColumn.Sortable = true;
            startDateAlertColumn.SortExpression = nameExpression;
            startDateAlertColumn.Width = 100;

        }