TR_MEMBERSHIPADDON_INSERTUPDATE_CURRENCY

                    create trigger [dbo].[TR_MEMBERSHIPADDON_INSERTUPDATE_CURRENCY] on [dbo].[MEMBERSHIPADDON] 
                    after insert, update 
                    not for replication
                    as
                    begin
                        set nocount on;

                        -- if we try to save without explicitly setting an organization price and an exchange rate, 

                        -- copy the price to the organization price and transaction price.

                        if update(PURCHASEPRICE)
                        begin
                            declare @ORGANIZATIONCURRENCYID uniqueidentifier = dbo.UFN_CURRENCY_GETORGANIZATIONCURRENCY(); 

                            update
                                dbo.MEMBERSHIPADDON
                            set
                                MEMBERSHIPADDON.ORGANIZATIONPURCHASEPRICE = MEMBERSHIPADDON.PURCHASEPRICE,
                                MEMBERSHIPADDON.TRANSACTIONPURCHASEPRICE = MEMBERSHIPADDON.PURCHASEPRICE,
                                MEMBERSHIPADDON.BASECURRENCYID = @ORGANIZATIONCURRENCYID,
                                MEMBERSHIPADDON.TRANSACTIONCURRENCYID = @ORGANIZATIONCURRENCYID,
                                MEMBERSHIPADDON.CHANGEDBYID = MEMBERSHIPADDON.CHANGEDBYID,
                                MEMBERSHIPADDON.DATECHANGED = MEMBERSHIPADDON.DATECHANGED
                            from
                                inserted
                            inner join
                                dbo.MEMBERSHIPADDON on inserted.ID = MEMBERSHIPADDON.ID
                            where
                                MEMBERSHIPADDON.ORGANIZATIONEXCHANGERATEID is null
                                and (MEMBERSHIPADDON.BASECURRENCYID is null or MEMBERSHIPADDON.BASECURRENCYID = @ORGANIZATIONCURRENCYID)
                                and MEMBERSHIPADDON.BASEEXCHANGERATEID is null
                                and (MEMBERSHIPADDON.TRANSACTIONCURRENCYID is null or MEMBERSHIPADDON.TRANSACTIONCURRENCYID = @ORGANIZATIONCURRENCYID)
                                and (
                                    MEMBERSHIPADDON.ORGANIZATIONPURCHASEPRICE <> MEMBERSHIPADDON.PURCHASEPRICE
                                    or MEMBERSHIPADDON.TRANSACTIONPURCHASEPRICE <> MEMBERSHIPADDON.PURCHASEPRICE
                                    or MEMBERSHIPADDON.PURCHASEPRICE = 0
                                );
                        end
                    end