MuAugust 2000, Microsoft, Hewlett-Packard, uye Intel vakashanda kuti vagadzirise Common Language Infrastructure (CLI) uye C#. Pakazosvika December 2001, zvose zvakagamuchirwa neEcma International (ECMA) mitemo. International Organization for Standardization (ISO) yakatevera muna April 2003. Shanduro yezvino ye ISO mitemo ndeye ISO / IEC 23271: 2012 uye ISO / IEC 23270: 2006.
kuenzanisa Common Language Infrastructure (CLI) neC#