If you are design view, then it is correct to see strange boxes. Correct bar codes only appear when you Print or Print Preview the report, or if you view a form;
If you have used Print or Print Preview and you see boxes, here are the possible causes;
Cause: You may have chosen the incorrect font. For each bar code function, there is a font and font size to use. See: Bar code font name and font size to use to discover the font and font size to select.
Usually this problem is due to your data - for example, to print a UPC-A bar code your field must contain an 11 digit number (or your expression must return 11 digits). If the bar code function is not passed 11 digits, no bar code can be printed and error message is displayed.
Cause: If you get a bar code error message, the error message should be self-explanatory and no bar code is printed.
Cause: A field that contains a Null or Empty value, will not print a bar code, which is as you would expect. A bar code error message does not occur if the field contains a Null or Empty value.
If you get error message, or results which you do not expect, please contact Technical Support and be ready to give details of the function you are using and other information about your report.
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