Need help declaring a variable to delete carriage returns

I have the following statement to delete carriage returns
  select replace(replace(NOTES, @cr, ''), @lf, '') from [CONV].[dbo].[tblServiceOrd]

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but I keep receiving this error: Must declare the scalar variable "@cr". Any help will be appreciated.
maximus1974Asked:
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Mark WillsTopic AdvisorCommented:
In sql we dont have some of the built-in controls, so we must declare each variable first.
DECLARE @CR char(1) = char(13)
DECLARE @lf char(1) = char(10)

select replace(replace(NOTES, @cr, ''), @lf, '') from [CONV].[dbo].[tblServiceOrd]

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Or better still, just use CHAR()
select replace(replace(NOTES, char(13), ''), char(10), '') from [CONV].[dbo].[tblServiceOrd]

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Rgonzo1971Commented:
HI,

pls try
DECLARE @cr AS CHAR(1) = CHAR(13)
DECLARE @lf AS CHAR(1) = CHAR(10)
select replace(replace(NOTES, @cr, ''), @lf, '') from [CONV].[dbo].[tblServiceOrd]

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Regards
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Mark WillsTopic AdvisorCommented:
excuse me - how is that any different to my post ?
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