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 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();
}
}
 }
'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();
}
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