为字符转换分类在ASCII和EBCDIC (IBM计算机主机)字符之间tables。 -class for character conversion between ASCII and EBCDIC ( IBM Mainframe ) character tables.

Unicode字符与ASCII字符相互转换，支持字母数字及所有汉字-Unicode characters with ASCII character conversion, supports alphanumeric and all the characters

c#基础实例，编一个程序，输入一个字符，如果是大写字母，就转换成小写字母，否则不转换-c# basic instance, compiled a program, enter a character, if it is uppercase letters, lowercase letters to convert or not convert