//Promotional History

        public ISingleResult <PromotionalClass> BGetPromoHistory(int type, int NoofRecords)
        {
            try
            {
                return(context.GetPromoHistory(type, NoofRecords));
            }
            catch (Exception ex)
            {
                LogManager.WriteLog("BGetPromoHistory : " + ex.Message, LogManager.enumLogLevel.Error);
                return(null);
            }
        }