Generate Barcode in ASP.NET Using VB.NET
Use free VB.NET class code to generate barcode in ASP.NET applications
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It works well throughout my whole project. And barcoding features are easy to be implemented with the help of guide documents.
- Kevin Cox, US

Tutorial on ASP.NET Barcode Generation & Implementation using Free VB.NET code

  • Mature ASP.NET barcode generating SDK , compatible with VB.NET code
  • Written in managed C#.NET, suitable for barcode generation in ASP.NET web site
  • Easy to generate 1d & 2d barcodes in ASP.NET applications using VB.NET
  • Simple to print & display bar code graphics in reportings such as Crystal Report with database text
  • Sample code provided to retrieve Code 39, Code 128, Data Matrix, QR Code in VB.NET
  • Create & save barcodes in both memory & image format files in VBNET ASP.NET class & console
  • Able to customize properties of generated barcode images using VB.NET code
  • Offer flexible & royalty-free developer licenses with source code for ASP.NET programmers
Barcode Generator Library for .NET is a mature barcode component engine which supports over 20 main linear & 2d barcode generation in Windows Forms applications, ASP.NET web applications & Internet Information Services (IIS) using Visual Basic .NET programming. Its quick & accurate barcode generating feature has been designed since 2004.
Looking for other VB.NET barcoding tutorial? Here are some more VB.NET-related barcode guides:
  1. How to Generate Barcode in VB.NET - Step-by-step guide to print postal / numeric barcode symbology in VB.NET programs
  2. How to Draw Barcode in VB.NET WinForms - Examples to create barcodes in WinForms with free barcode plugin trial download
  3. How to Adjust Barcode Image in VB.NET - Sample code to implement barcode labels in VB.NET and adjust image formats
  4. How to Encode Barcode in VB.NET - VB.NET Sample code to encode GS1 barcode or Unicode string into barcode pictures
How to Generate Barcode in ASP.NET Web Forms
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  1. Install Barcode Library DLL to ASP.NET web project.
    Find OnBarcode.Barcode.ASPNET.dll from downloaded trial package and integrate it into your Visual Studio ASP.NET web project.
  2. Add Barcode Library DLL for ASP.NET to Toolbox.
    Right click Toolbox, select Choose Items..., and click Browse... to locate OnBarcode.Barcode.ASPNET.dll.
  3. Copy qrcode.aspx and qrcode.aspx.cs your web project folder.
    If you want to create linear barcodes or other 2d barcodes, please copy corresponding files to your project folder.
  4. Drag and drop QRCodeWebForm to your ASPX web forms and run the project.
    Then, a high-quality barcode image will be visible on your ASP.NET project and you are free to adjust its properties using VB.NET. Please see details from QR Code property settings.
How to Create & Print Barcode in IIS Streaming
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  1. Copy barcode folder from downloaded package to your IIS.
  2. Create a new virtual directory and name it barcode.
  3. Restart IIS and navigate to (QR Code encoding numbers): http://YourDomain:Port/barcode/qrcode.aspx?DATA=9876543210
  4. To generate barcode image in html or aspx pages, you may directly use a image tag like below:
    <img src="http://YourDomain:Port/barcode/qrcode.aspx?DATA=0123456789" />
How to Generate Barcode in ASP.NET Class Using VB.NET
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  1. Add Barcode Library DLL for ASP.NET to your ASP.NET VB.NET project reference for barcoding via VB.NET.
  2. Copy & paste following VB.NET sample code syntaxt to generate barcode image (Jpg, Tiff, Bitmap) on ASP.NET web page.
   ' Create a ASP.NET QR Code object
Dim qrCode As New QRCode()

' Customize QR Code barcode data
qrCode.Data = "ASP.NET VB.NET QR Code"
' Customize QR Code data mode
qrCode.DataMode = QRCodeDataMode.Auto

' Customize QR Code barcode size
qrCode.X = 2
qrCode.LeftMargin = 8
qrCode.RightMargin = 8
qrCode.TopMargin = 8
qrCode.BottomMargin = 8

' Encode created QR Code to png image file and save it to C:\
qrCode.ImageFormat = System.Drawing.Imaging.ImageFormat.Png
qrCode.drawBarcode("C://aspnet-vb-net-qrcode.png")
VB.NET Barcode Generation Guides & Tutorials for Each Barcode
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Barcode Control for VB.NET - Bar Code Type Generation

OnBarcode is a market-leading provider of barcode imaging generator, reader controls and components for ASP.NET, Windows Forms, WPF, as well Java, Android, iOS (iPhone, iPad) across all major enterprise development platforms. We provides comprehensive tutorials and how-tos for various linear, 2d barcode information, such as C# in ASP.NET, C# .NET, C# Barcode Encoding, C# Barcode Image, VB.NET in ASP.NET, VB.NET Winforms, VB.NET Barcode Encoding, VB.NET Barcode Image, Java JSP Servlet. OnBarcode barcode products are supported by RasterEdge high quality .NET Imaging SDK, Java Imaging Library, and their easy and simple documents, like imaging in C#, imaging in VB.NET, PDF in C# and PDF in VB.NET.
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