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Code 128

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Code 128

  • Feb 09, 2026
  • 2 minutes to read

Code 128 is a very effective, high-density symbology which permits the encoding of alphanumeric data. The symbology includes a checksum digit for verification, and the barcode can also be verified character-by-character, allowing the parity of each data byte to be verified.

This symbology has been widely implemented in many applications where a relatively large amount of data must be encoded in a relatively small amount of space. Its specific structure also allows numerical data to be effectively encoded at double-density.

Add the Barcode to a Report

  1. Drag the Barcode item from the report controls toolbox tab and drop it onto the report.

  2. Set the control’s Symbology property to Code128.

  3. Specify common barcode properties and properties specific to Code 128.

Specific Properties

In the property grid, expand the Symbology list and specify the following properties specific to Code 128 :

  • Character Set

  • FNC1 Functional Character

  • FNC2 Functional Character

  • FNC3 Functional Character

  • FNC4 Functional Character