public void FromDateRange(AbsenceGridBuilder gridBuilder)
        {
            if (gridBuilder.CurrentGrid.FromDate != null && gridBuilder.CurrentGrid.ToDate != null)
            {
                DateTime fromDate = gridBuilder.ConvertToDateTime(gridBuilder.CurrentGrid.FromDate);
                DateTime toDate   = gridBuilder.ConvertToDateTime(gridBuilder.CurrentGrid.ToDate);

                Where = ar => ar.StartDate >= fromDate && ar.StartDate <= toDate;
            }
        }