Code 39, the first alpha-numeric symbology to be developed, is still widely used-especially in non-retail environments. It is the standard bar code used by the United States Department of Defense, and is also used by the Health Industry Bar Code Council (HIBCC).

Sample of a Code 39 Barcode

Sample of a Code 39 Extension Barcode
Code 39 Barcode for .NET, ASP.NET supports:
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
- Uppercase letters (A - Z)
- - (Dash), $ (Dollar), % (Percentage), (Space), . (Point), / (Slash), + (Plus)
Code 39 Extension Barcode for .NET, ASP.NET supports:
- Add Reference BarcodeLib.Barcode.dll to your .NET project (ASP.NET website, Forms, any .NET project)
In your .NET class.
BarcodeLib.Barcode.Linear.Linear barcode = BarcodeLib.Barcode.Linear.Linear();
barcode.Data = "your barcode data";
// other barcode settings.
// save barcode image into your system
barcode.drawBarcode("c:/barcode.gif");
* Please set properties
UOB and
Resolution, before you set any image size related properties like barWidth, margin.