POSTNET is a 1D barcode symbology used to assist in directing mail by the United States Postal Service. The ZIP Code or ZIP+4 Code is encoded in half-height and full-height bars. Usually, the delivery point is added. The barcode starts and ends with a full bar has a check digit after the ZIP Code, ZIP+4 Code, or delivery point. A set of five bars represents an individual digit, two of which are full bars.
Stream C# POSTNET Barcode Image in ASP.NET Web Form
Generate C# POSTNET barcode image through ASP.NET web form controller:
Install C# ASP.NET barcode controller to your POSTNET barcoding project by adding reference (BarcodeLib.Barcode.ASP.NET.dll) to your Visual Studio Toolbox.
Copy "linear.aspx" and "linear.aspx.cs" in the unzipped package to your project folder.
Drag and drop LinearASPNET under the Toolbox to your aspx page.
Change your POSTNET barcode settings through the Properties window or by compiling the following free C# source codes.