EAN-13 is also known as European Article Number 13, EAN-13 Supplement 5/Five-digit Add-On, EAN-13 Supplement 2/Two-digit Add-On, EAN-13+5, EAN-13+2, EAN13, EAN13+5, EAN13+2, UPC-13, GTIN-13, GS1-13, EAN/UCC-13

A European Article Number (EAN) is a barcoding standard which is a superset of the original 12-digit Universal Product Code (UPC) system developed in North America. The EAN-13 barcode is defined by the standards organisation GS1. It is also called a Japanese Article Number (JAN) in Japan. UPC, EAN, and JAN numbers are collectively called Global Trade Item Numbers (GTIN), though they can be expressed in different types of barcodes.

The EAN-13 barcodes are used worldwide for marking retail goods. The less commonly used EAN-8 barcodes are used also for marking retail goods; however, they are usually reserved for smaller items, for example confectionery.

Sample of an EAN-13 Barcode

The value to encode by EAN-13 has the following structure:

2 or 3 digits for Number System or Country Code
5 or 4 digits for Manufacturer (Company) Code or prefix
5 digits for Product Code
1 digit for checksum

Each country has a numbering authority which assigns manufacturer codes to companies within its jurisdiction.

Add-On or Supplement code

The Add-On Symbols were designed to encode information supplementary to that in the main bar code symbol on periodicals and paperback books. The Add-On can be composed of 2 or 5 digits only.

Sample of an EAN-13 Five-Digit Add-On Barcode

2. EAN-13 Encoding Data Scope

EAN13 Barcode for .NET, ASP.NET supports:

0, 1, 2, 3, 4, 5, 6, 7, 8, 9

3. How to Generate EAN 13 Barcode Image in IIS without Visual Studio .NET?

Under downloaded trial package, copy barcode folder to your IIS folder, e.g. C:\Inetpub.
Create a new virtual directory in IIS, named barcode, and link to the above "barcode" folder.
Restart IIS.
To test your installation, open your web browser and navigate to
http://YourDomain:Port/barcode/linear.aspx?Type=EAN13&Data=123456789012
To create barcode image in your aspx or html page, you need pass the url to IMG tag src value.

For example:
<img src="http://YourDomain:port/barcode/linear.aspx?Type=EAN13&Data=123456789012" />

Using this method, it will not generate any barcode images in your IIS server side.

4. How to Generate EAN 13 Barcode Image through ASP.NET Web Form Control?

Install .NET Barcode Controller to your ASP.NET project.
1. Add Reference BarcodeLib.Barcode.dll to your project.
  Do not copy the dll to the bin directory, Visual Studio will do so, during project compilation time.
Add barcode library to your Visual Studio Toolbox.
1. Open Toolbox in Visual Studio. Click menu View, and check submenu Toolbox.
2. Right click Toolbox, click menu Choose Items...
3. Goto .NET Framework Components tab.
4. If no BarcodeLib component found, click Browse... button and select BarcodeLib.Barcode.dll file.
5. Then sort "Namespace" column, you will find 8 components from BarcodeLib.Barcode.
6. Check component LinearWebForm, and its namespace is BarcodeLib.Barcode.Linear
7. Click "OK" button, you will find four components under "General": LinearWebForm.
Go to "barcode" folder in the trial package, copy file "linear.aspx" to the same folder as your aspx page, which will generate barcodes.
You can drag LinearWebForm on your aspx page in design view, change barcode setting through properties window.
Run the project, you will find barcode images generated in your aspx pages.

5. How to Generate EAN 13 Barcode Image through .NET Windows Form Control in C# or VB.NET?

Add Reference BarcodeLib.Barcode.dll to your project. Do not copy the dll to the bin directory, Visual Studio will do so, during project compilation time.
1. In your .NET windows project, right click mouse over Refereces in your Solution Explorer window. Then click menu "Add Reference ...".
2. Add BarcodeLib.Barcode.dll to your project.
Add barcode library to your Visual Studio Toolbox.
1. Open Toolbox in Visual Studio. Click menu View, and check submenu Toolbox.
2. Right click Toolbox, click menu Choose Items...
3. Goto .NET Framework Components tab.
4. If no BarcodeLib component found, click Browse... button and select BarcodeLib.Barcode.dll file.
5. Then sort "Namespace" column, you will find 8 components from BarcodeLib.Barcode.
6. Check component LinearWinForm, and its namespace is BarcodeLib.Barcode.Linear
7. Click "OK" button, you will find the control under "Common Controls": LinearWinForm.
Now you can see the component displayed on Toolbox. You can drag LinearWinForm on your form, change barcode setting through properties widnow.

6. How to Generate EAN 13 Barcode Image in .NET class?

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 = new BarcodeLib.Barcode.Linear.Linear();
	
	barcode.Type = BarcodeType.EAN13;
	
	// should be 12 digits
	barcode.Data = "123456789012";
	
	barcode.UOM = UnitOfMeasure.Pixel;
	barcode.BarWidth = 1;
	barcode.BarHeight = 80;
	barcode.LeftMargin = 10;
	barcode.TopMargin = 10;
	
	barcode.Format = ImageFormat.Png;
	
	// more barcode settings here
	                        
	// save barcode image into your system
	barcode.drawBarcode("c:/barcode.png");
	
	// generate barcode & output to byte array
	byte[] barcodeInBytes = barcode.drawBarcodeAsBytes();
	
	// generate barcode to Graphics object
	Graphics graphics = ...
	barcode.drawBarcode(graphics);
	
	// generate barcode and output to Bitmap object
	Bitmap barcodeInBitmap = barcode.drawBarcode();
	
	// generate barcode and output to HttpResponse object
	HttpResponse response = ...;
	barcode.drawBarcode(response);
	
	// generate barcode and output to Stream object
	Stream stream = ...;
	barcode.drawBarcode(stream);

Above code written in C# 2005

7. How to Save EAN 13 Barcode Image using .NET Barcode Generator Windows Control?

In Windows Controller, just call method SaveAsImage(string filename). e.g. SaveAsImage("C:\barcode.gif");

8. EAN 13 Barcode Property Settings

Set the Type property to BarcodeType.EAN13 or BarcodeType.EAN13_2 or BarcodeType.EAN13_5
Web Stream URL Parameter: Type. Value: 10 (EAN13), 11 (EAN13_2), 12 (EAN13_5). Sample: &Type=10
Set the Data property with the value to encode. Type is string.
User should only provide 12 digits, and DO NOT include last digit checksum character.
- Valid Data Scope:
  - 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
- Valid Data Format:
  12 digits. There are totally 13 digits in EAN-13 barcode, first 13 digits are barcode value, and last digit is the checksum digit, which is generated by barcode library automatically.
- Sample: barcode.Data = "123456789012"
Web Stream URL Parameter: Data.
Set the SData property with the supplement value to encode. Type is string.
Provide 2 digits for barcode type EAN13_2, and provide 5 digits for type EAN13_5.

Sample for BarcodeType.EAN13_2: barcode.SData = "12".
Sample for BarcodeType.EAN13_5: barcode.SData = "12345".
Web Stream URL Parameter: SData.
AddCheckSum property is not applied here. Barcode Library will always add a check character in the last digit (modulo 10).
Barcode Size Settings:
- Set property UOM (Unit of Measure) for properties BarWidth, BarHeight, LeftMargin and TopMargin.
  Valid values are UnitOfMeasure.Pixel (0), UnitOfMeasure.CM (1), UnitOfMeasure.Inch (2).
  Default is UnitOfMeasure.Pixel (0).
  Web Stream URL Parameter: UOM. Valid values are: 0, 1, 2.
- Set the BarWidth (for bar cell width) and BarHeight (for bar cell height) properties.
  Both types are float.
  BarWidth default is 1 pixel.
  BarHeight default is 80 pixel.
  Web Stream URL Parameter: BarWidth and BarHeight.
- Set LeftMargin for barcode image left & right margin
  Type is float. Default is 10 pixel.
  Web Stream URL Parameter: LeftMargin.
- Set TopMargin for barcode image top & bottom margin
  Type is float. Default is 10 pixel.
  Web Stream URL Parameter: TopMargin.
- Set the Resolution property (Value is expressed in DPI - Dots per inch).
  Type is int. Default is 96 dpi.
  Web Stream URL Parameter: Resolution.
Setting up text style in barcode image:
- Set the ShowText properties. If ShowText is True, barcode data will be displayed with the barcode.
  Type is bool. Default is True.
  Web Stream URL Parameter: ShowText. Valid values are: "true", and "false".
- Set the TextFont property. The font used to display text in barcode image.
  Type is System.Drawing.Font. Default is new Font("Arial", 9f, FontStyle.Regular).
  Web Stream URL Parameter: TextFont. Value format: [font name]|[font size]|[font style]. Sample Values: "Arial|12|Bold,Underline"
Set the Format property for barcode image type.
Type is System.Drawing.Imaging.ImageFormat.
Default value is ImageFormat.Png.
Web Stream URL Parameter: Format. Valid values are: gif, jpeg, png, bmp, tiff.
Set Rotate property, if you want to rotate barcode image.
Value can be
0 (RotateOrientation.BottomFacingDown),
1 (RotateOrientation.BottomFacingLeft),
2 (RotateOrientation.BottomFacingUp),
3 (RotateOrientation.BottomFacingRight)
Default Value is 0 (RotateOrientation.BottomFacingDown)
Web Stream URL Parameter: Rotate. Valid values are: 0, 1, 2, 3

All .NET Barcode Symbologies:

Codabar
Code 11
Code 2 of 5
Code 39
Code 93
EAN 8
EAN 13
Interleaved 2 of 5
ITF-14

Code 128
GS1-128 / EAN-128
MSI Plessey
OneCode
PLANET
POSTNET
RM4SCC (British Royal Mail 4-State Customer Barcode)
UPC-A
UPC-E

Data Matrix
QR-Code
PDF 417

.NET Barcode Tutorial & FAQ

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