得到随机字符串算法

using System;
using System.Collections.Generic;
using System.Text;

namespace ring
{
class Program
{
private static char[] constant = {
'0','1','2','3','4','5','6','7','8','9',
'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z',
'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'
};
public static string GetRandomStringByLength(int Length)
{
StringBuilder newRandom = new StringBuilder();
Random rd = new Random();
for (int i = 0; i < Length; i )
{
newRandom.Append(constant[rd.Next(62)]);
}
return newRandom.ToString();
}
static void Main(string[] args)
{
//Get 10 random caracters string
Console.WriteLine(GetRandomStringByLength(10));
Console.ReadLine();
}
}
}
http://www.cnblogs.com/Ring1981/archive/2006/11/30/577400.html