Text with empty attribute display special character in A~

if we want to use an attribute to display in text which is empty at first its displaying a special character with A~(Attached the image). i don't want to use the format string for Empty value replacement because formatstring widget needs object refresh if the value of attribute changes
1 answers

If you change data and want the application to display the change you'll always need a refresh for the object you are changing. In your case I would use the text widget in stead of the format string widget.

Why do you want to prevent the refresh of the object?