The differences between string and string in C #

1. String is a class in C,
String is a class of the. NET Framework. (in C # IDE, the dark colors are not displayed, and the hidden colors are displayed)
String that is reflector as. NET Framework

2. If you use string, the Uploader will convert it into string,
So if you use a string directly, you can reduce the number of referers. Actually, there is no difference between them.

3. If C # is used, it is recommended to use string, which complies with the rules. Returns the string that indicates system. String (1.x) or: system. String (2.0 ),
String is equivalent to system. String only when "using system;" is specified in the preceding namespace.

4. String is keyword, and struct string is not. That is to say, string cannot be used as the name of a class, structure, component, field, variation, method, or modularity;
String is acceptable.