This article reproduced: http://www.cnblogs.com/shanyou/p/3932695.html
Transferring data between mobile devices, websites and applications, and using QR codes is a faster way to avoid the confusion of Bluetooth pairing. Zxing.net is a C # implementation of the open source, multi-format 1d/2d barcode image processing Library, zxing.net is a pretty good project assembly that puts together assemblies for a variety of platforms, including. NET 2.0 to. NET 4.5, Windows RT, Unity3d, portable libraries and so on. Refer to the following article for details:
How to display two-dimensional code in ASP.
Dynamically Generated QR Codes in ASP
C # generates two-dimensional code (QR code) using Qrcode.net
C # generates CODE128 barcodes
Http://www.cnblogs.com/Arrow-Lu/articles/2515363.html
How to be in. NET on the processing of two-dimensional code