sql server - Using Sum(Cast(Replace syntax -

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i trying write simple query in order change of our stage data. have varchar $ column (unfortunately) needs summed. issue because of commas, cannot change datatype. so, can use replace(amt,',','') remove commas still wont let me cast decimal ,

error converting data type varchar numeric.

i trying following below no luck. ideas? can done or using wrong syntax here?

select sum(cast(replace(amt,',','') decimal (18,2)) )

i able resolve @habo suggestion. used cast(ltrim(rtrim(table.amt)) money) instances of varchar amount. removed white space , removed commas numbers.


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