SYMPTOM
In Strategy Developer 9.4.1 and 10.x, the number in double byte character changes to single byte character in New Attribute Form Expression editor when drag and drop any table column from available columns to the form expression.
STEPS TO REPRODUCE
Follow the steps below to reproduce the issue with Strategy Tutorial project:






CAUSE
This is a known issue with Strategy Developer 9.4.1 and 10.x
WORKAROUND
Copy the expression from a text editor such as Notepad, then paste it into Form expression textbox of an attribute editor.
KB40939