UPC-A Generator DLL for VB.NET Class - Generate Barcode in VB.NET Library

VB.NET UPC-A Barcoding Generator Library

Guidance for UPC-A Barcode Generation Component in VB.NET Class

High-quality VB.NET UPC-A barcode generation dll package with competitive price

Offer useful & professional help for 1000+ VB.NET developers since 2003

Generate UPC-A barcodes in Console applications & ASP.NET web services

Create UPC-A barcodes in Reporting Services & Crystal Reports & RDLC Reports

Draw industry standard UPC-A and output barcodes to image files or memory

Support other common linear & 2D barcodes like Code 128, EAN-13, and PDF-417

This section provides an overview of generating UPC-A barcodes using the BarcodeLib SDK within VB.NET. UPC-A (Universal Product Code version A), also referred to as UPC Code, UPC Symbol, GTIN-12, GS1-12, or UCC-12, is the most widely recognized linear barcode symbology in the United States for retail point of sale applications. The BarcodeLib VB.NET UPC-A Generator is designed for straightforward integration into Windows Forms (WinForms) and Windows Presentation Foundation (WPF) desktop applications, as well as class libraries and console projects.

Brief Introduction for VB.NET UPC-A Barcode Type

UPC-A, the most well-known linear barcode in America, has been used in almost every daily product, like books, food and clothes. This 12-character numeric barcode can encode information of number system, manufacturer code, product code and check digit.

Instructions on UPC-A Barcode Generation with VB.NET Class

In the Solution Explorer, right click "Add Reference..." to add Barcodelib.Barcode.ASP.NET.dll or Barcodelib.Barcode.WinForms.dll to your project.

In Toolbox, right click "Choose Item..." to add Barcodelib.Barcode.ASP.NET.dll or Barcodelib.Barcode.WinForms.dll to the Toolbox.

You could generate an UPC-A barcode with following sample VB codes.

      Dim upc_a As New BarcodeLib.Barcode.Linear()
      upc_a.Type = BarcodeType.UPCA
      upc_a.Data = "12345678901"

      upc_a.BarColor = System.Drawing.Color.Blue
      upc_a.BarWidth = 1
      upc_a.LeftMargin = 8
      upc_a.RightMargin = 8

      ' More UPC-A barcode settings here, like image format, font, data text style etc.

      ' Save barcode image into your system
      upc_a.drawBarcode("c:/upca.gif")

      ' Encode UPC-A barcode & output to byte array
      byte[] barcodeInBytes = upc_a.drawBarcodeAsBytes()

      ' Draw UPC-A barcode to Graphics object
      Graphics graphics = ...
      upc_a.drawBarcode(graphics)

      ' Create UPC-A barcode and output to HttpResponse object
      HttpResponse response = ...
      upc_a.drawBarcode(response)

      ' Encode UPC-A barcode and save to Stream object 
      Stream stream = ...
      upc_a.drawBarcode(stream)

Above Free UPC-A sample codes are written in Visual VB 2005

Instructions on UPC-A Images Generation in VB.NET ASP.NET Web Projects

To create UPC-A linear barcodes in ASP.NET, you are supposed to do as section two firstly.

Embed Barcodelib.Barcode.ASP.NET.dll to your project.
Embed Barcodelib.Barcode.ASP.NET.dll to your Toolbox.
Copy files "linear.aspx" & "linear.aspx.cs" from the folder "barcode" in the trial package to your web program folder.
Drag "LinearASPNET" from the Toolbox and drop it on the split part of your aspx page.
Click the produced barcode image and change barcode type to UPC-A in the Properties Window or generate an UPC-A barcode with above Sample Code for VB UPC-A Generation.

Instructions on UPC-A Barcodes Creation in VB.NET WinForms Software

Add BarcodeLib.Barcode.WinForms.dll to your web program.

Add BarcodeLib.Barcode.WinForms.dll to your Toolbox.

Drag LinearWinForm to your windows form and adjust its type to UPC-A in Properties Window or create an UPC-A barcode with above Sample Code for VB UPC-A Generation.

Summary

This guide has provided a comprehensive walkthrough for generating UPC-A barcodes using the BarcodeLib SDK in VB.NET, covering basic generation, support for add on symbols, and configuration of dimensions and text appearance. These features are well suited for integration into Windows Forms (WinForms) and Windows Presentation Foundation (WPF) desktop applications, enabling developers to incorporate retail standard barcode generation into their .NET projects. The included code example and list of supported symbologies serve as a practical reference for implementing UPC-A barcodes across a variety of VB.NET application types.

Barcodes Supported by UPC-A VB.NET Barcoding Control

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