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.NET Interleaved 2 of 5 Generator for .NET, ASP.NET, C#, VB.NET

It is also known as ANSI/AIM ITF 25, ANSI/AIM I-2/5, Uniform Symbology Specification ITF, USS ITF 2/5, ITF, I-2/5, 2 of 5 Interleaved, 2/5 Interleaved

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Interleaved 2 of 5 is a higher-density numeric symbology based upon the Standard 2 of 5 symbology. It is used primarily in the distribution and warehouse industry.

Interleaved 2 of 5 encodes any even number of numeric characters in the widths (either narrow or wide) of the bars and spaces of the bar code. Unlike Standard 2 of 5, which only encodes information in the width of the bars, Interleaved 2 of 5 encodes data in the width of both the bars and spaces. This allows Interleaved 2 of 5 to achieve a somewhat higher density.

The symbology is called "interleaved" because the first numeric data is encoded in the first 5 bars while the second numeric data is encoded in the first 5 spaces that separate the first 5 bars. Thus the first 5 bars and spaces actually encode two characters. This is also why the bar code can only encode an even number of data elements.

Sample of an Interleaved 2 of 5 Barcode
Interleaved 2 of 5 Barcode for .NET, ASP.NET supports:
  • 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
  1. Copy folder barcode from your downloaded package, to your IIS folder, e.g. C:\Inetpub.
  2. Create a new virtual directory, named barcode.
  3. Restart IIS.
  4. Test your installation, goto http://YourDomain:port/barcode/linear.aspx?Type=INTERLEAVED25&Data=12345678
  5. To create barcode image in your ASP.NET application, you can pass the url to IMG tag src value. For example, <img src="http://YourDomain:port/barcode/linear.aspx?Type=INTERLEAVED25&Data=12345678" />
  1. Integrate Barcode Controller to your ASP.NET project.
    1. Copy BarcodeLib.Barcode.dll to the folder bin of your web application the barcodes are needed for.
    2. Copy linear.aspx file to your web application.
  2. 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. Check component LinearWebForm, and its namespace is BarcodeLib.Barcode.Linear
    5. If no component found, click Browse... button and select BarcodeLib.Barcode.dll file.
  3. Now you can see the component displayed on Toolbox. You can drag LinearWebForm on your aspx page, change barcode setting through properties window.
  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.
    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.
  2. 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. Check component LinearWinForm, and its namespace is BarcodeLib.Barcode.Linear
    5. If no component found, click Browse... button and select BarcodeLib.Barcode.dll file.
  3. Now you can see the component displayed on Toolbox. You can drag LinearWinForm on your form, change barcode setting through properties widnow.
  1. 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");
Above code written in C# 2005

* Please set properties UOB and Resolution, before you set any image size related properties like barWidth, margin.
In Windows Controller, just call method SaveAsImage(string filename). e.g. SaveAsImage("C:\barcode.gif");
  • Set the Type property to BarcodeType.INTERLEAVED25
  • Set the Data property with the value to encode. Type is string.
    The encoded message should contain even number of digits; otherwise, a '0' would be appended at the beginning.
  • Setting up barcode image size:
    • Set property UOM (Unit of Measure) for properties BarWidth, BarHeight, LeftMargin and TopMargin.
      Default is UnitOfMeasure.Pixel (0). Valid values are UnitOfMeasure.Pixel (0), UnitOfMeasure.CM (1), UnitOfMeasure.Inch (2).
    • Set the BarWidth (for bar cell width) and BarHeight (for bar cell height) properties. Both types are float.
    • Set the LeftMargin and TopMargin properties, and types are both float.
    • Set the Resolution property (Value is expressed in DPI - Dots per inch). This property is not working in Windows Controller, we will use end user's windows resultion.
  • Setting up text style in barcode image:
    • Set the ShowText properties. If this value is true, barcode data will be displayed with the barcode.
    • Set the TextFont property. The font used to display text in barcode image.
  • Set the Format property for barcode image type. Value can be "gif", "jpg", "png", and "bmp", default is "png".
  • Set BearerBars property, if you want to draw borders around barcode image. Value can be BearerBar.None (no bear bars), BearerBar.Frame (top, bottom, left, right borders drawn), BearerBar.TopBottom (only top, bottom's are drawn).
  • 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)
  • AddCheckSum property is optional. Modulo 10 will be applied, if AddCheckSum property is true.






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