Ean 13 (European Article Number) is a barcoding standard which is a superset of the original 12-digit Universal Product Code (UPC) system developed in North America. EAN-13 encodes 12 digits of numeric (0 through 9) message data along with a trailing check digit, for a total of 13 digits of barcode data.

Structure of an EAN 13 number
An EAN-13 number consists of four areas:
(1) The number System;
(2)The manufacturer code;
(3) the product code;
(4)The check digit.

Ean 13 Properties
Besides the properties to general barcode, the following property belongs to Ean 13 only:
SupplementarySeparation gets or sets the space between the end of barcode and the begin of supplementary for UPC/EAN in Inches. Default is 0.2 inches.

Ean 13 Check Sum
EAN 13 check digit is calculated using standard Mod10 method.

ezBarcodeComponent Ean 13 Acceptable String Length
ezBarcodeComponent Ean 13 can accept 12, 13, 14, 15, 17, 18 digit length.

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Ean 13 examples by using ezBarcodeComponent
[C#]



        using ezBarcodeComponent.Winform; 

        //create barcode class
        Barcode barcode1 = new Barcode(); 
                                                                        
        //Specify the CodeData to encode
        barcode1.CodeData = "012345678901234567";
        //Set the Symbology to Ean13
        barcode1.Symbology = Symbologies.Ean13;
   barcode1.SupplementarySeparation = 0.2;

   //Save the image
        barcode1.SaveImageAs("Ean13.gif", System.Drawing.Imaging.ImageFormat.Gif);



[Vb.net]

      'create barcode class
        Dim barcode1 As New Barcode
                                                                
        'Specify the CodeData to encode 
        barcode1.CodeData = "012345678901234567"
        'Set the Symbology to Ean13
 barcode1.Symbology = Symbologies.Ean13
        barcode1.SupplementarySeparation = 0.2

   'Save the image  
        barcode1.SaveImageAs("Ean13.gif", System.Drawing.Imaging.ImageFormat.Gif)
                        

Example of Ean 13 barcode images with variable digit length.   
 

Image	Description
	12 digits CodeData = "012345678901" The last digit is the Mod 10 check sum of the first 12 digits. No supplementary part.
	13 digits CodeData = "0123456789012" The last digit is the Mod 10 check sum of the first 12 digits. No supplementary part.
	14 digits CodeData = "01234567890123" The 13th digit is the Mod 10 check sum of the first 12 digits. The last two digits are supplementary part.
	15 digits CodeData = "012345678901234" The 13th digit is the Mod 10 check sum of the first 12 digits. The last two digits are supplementary part.
	17 digits CodeData = "01234567890123456" The 13th digit is the Mod 10 check sum of the first 12 digits. The last five digits are supplementary part.
	18 digits CodeData = "012345678901234567" The 13th digit is the Mod 10 check sum of the first 12 digits. The last five digits are supplementary part.

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