C# char[]与string之间的相互转换

string 转换成 Char[]

　　string ss = "abcdefg";
　　char[] cc = ss.ToCharArray();

Char[] 转换成string

string s = new string(cc);

byte[] 与 string 之间的转换

　　byte[] bb = Encoding.UTF8.GetBytes(ss);
　　string s = Encoding.UTF8.GetString(bb);

string[] 转换成string

string strOr = "OR";
string result = string.Concat(new string[]{" A ",strOr," B ",Environment.NewLine," C ",strOr," D "});

参考文章：

http://www.cnblogs.com/wintalen/archive/2010/12/20/1911599.html