Conversion fails when converting the varchar value '65' to data type int

Question

SQL Server 2008 and Crystal Reports XI

I'm not exactly sure why I can't convert the values. I have tried cast and convert which both result in the same error. This column did initially contain alphanumeric values but after my primary query inserts values into a temp table there are only numbers in there.

The conversion

CASE WHEN ISNUMERIC(myfield) = 1 THEN CAST(myfield AS INT) ELSE 0 END

returns zeros. An example of the data in the column is:

65
89
151
175
210

I'm sure I'm missing something obvious but I can't figure it out. In crystal reports I was able to successfully use:

IF isnumeric({myfield}) then tonumber({myfield}) else 999 

That converts successfully without any issues. Why would it work in crystal and not in SQL?

Answer 1

The answer to this was there was a hidden carriage return in the varchar column so I used:

REPLACE(myfield, CHAR(13), ''),

and was able to convert it without any trouble.