public List<CouponInfo> GetCouponDetails(int offset, int limit, System.Nullable<int> couponTypeID, string couponCode, System.Nullable<DateTime> validateFrom, System.Nullable<DateTime> validateTo, int storeId, int portalId, string cultureName)
        {
            try
            {
                CouponManageSQLProvider cmSQLProvider = new CouponManageSQLProvider();
                return cmSQLProvider.BindAllCouponDetails(offset, limit, couponTypeID, couponCode, validateFrom, validateTo, storeId, portalId, cultureName);

            }
            catch (Exception ex)
            {
                throw ex;
            }
        }