ASP.NET UPC-A Barcode Generator
How to Generate UPC-A Barcode Symbologies in ASP.NET Web Applications

How to generate, display, print UPC-A barcode labels in asp.net mvc web project without using font. Free download.

• Compatible with .NET Framework 2.0 and greater, MS Visual Studio and other ASP.NET development environments
• Stream UPC-A, UPC-A+2, UPC-A+5 linear bar code images in ASP.NET web sites and web forms
• Print 1D UPC-A in Microsoft Internet Information Service (IIS) in Png, Gif, Jpeg, Tiff & Bmp image formats
• Easy to use, just drag and drop the barcode control, or copy files into virtual directory
• Support C#.NET, Visual Basic programming to stream & insert 1D UPC-A barcodes in ASP.NET projects
• Specify UPC-A barcodes generated in IIS as URL to allow usage in other development environments
• Automatically add valid checksum digit for UPC-A according to latest GS1 specifications
• Support major web browsers; compatible with all printers with adjustable UPC-A resolution settings

• 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

1. Newly establish a ASP.NET web project in Visual Studio.
2. Copy "barcode.aspx" and "barcode.aspx.cs" in "barcode" folder to the target folder.
3. Add "KeepAutomation.Barcode.Web.dll" to your Visual Studio "Toolbox".
4. Drag and drop "BarCodeControl" under "Toolbox" into the web form.
5. Select UPCA barcode type in "Properties" panel.
6. Reset properties of the generated UPC-A barcode image through the "Properties" panel.

1. At first, add reference "KeepAutomation.Barcode.Web.dll" to your ASP.NET Web project.
2. Next, just copy the following free C# or VB.NET barcoding sample code.

     BarCode upca = new BarCode();
     upca.Symbology = KeepAutomation.Barcode.Symbology.UPCA;
     upca.CodeToEncode = "11111555551";
     upca.X = 2;
     upca.generateBarcodeToImageFile("C://upca-csharp.png");

     Dim upca As KeepAutomation.Barcode.Bean.BarCode = New KeepAutomation.Barcode.Bean.BarCode

     upca.Symbology = KeepAutomation.Barcode.Symbology.UPCA
     upca.CodeToEncode = "22222333331"
     upca.X = 2
     upca.ImageFormat = System.Drawing.Imaging.ImageFormat.Png
     upca.generateBarcodeToImageFile("C://upca-vb-net.png")

     upca.Symbology = KeepAutomation.Barcode.Symbology.UPCASup2;
     upca.SupplementCode = "23";
     upca.SupplementHeight = 0.8f;
     upca.SupplementSpace = 15;

     upca.Symbology = KeepAutomation.Barcode.Symbology.UPCASup2
     upca.SupplementCode = "23"
     upca.SupplementHeight = 0.8f
     upca.SupplementSpace = 15

1. Copy "barcode" folder from the unzipped trial package and its contents to your IIS.
2. Now, create a new virtual directory "barcode".
3. Then, restart IIS and navigate to "http://YourDomain:port/barcode/barcode.aspx?code-to-encode=11223344556&symbology=36&X=2" (For UPC-A add-on Symbology: UPCA=36, UPCASup2=37, UPCASup5=38 ).
4. The UPC-A barcode image is generated and you can change barcode properties in the url above, view http parameters here.
5. Just insert the following image tag into your web pages <img src="http://YourDomain:port/barcode/barcode.aspx?code-to-encode=11223344556&symbology=36&X=2" (For UPC-A add-on Symbology: UPCA=36, UPCASup2=37, UPCASup5=38 )/> to add the created barcode images in html or aspx pages.