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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            List<List<int>> TValues = new List<List<int>>();
            List<int> TFirst = GetValue(30, null);//获得30个随机数泛型集合
            TValues.Add(TFirst);
            List<int> TSecond = GetValue(10, TValues);//获得10个随机数泛型集合
            TValues.Add(TSecond);
            List<int> TThird = GetValue(5, TValues);//获得5个随机数泛型集合

            Console.WriteLine("30个数：" + GetString(TFirst));
            Console.WriteLine("10个数：" + GetString(TSecond));
            Console.WriteLine("5个数：" + GetString(TThird));
        }

        private static List<int> GetValue(int count, List<List<int>> TValues)
        {
            List<int> TValue = new List<int>();
            Random random = new Random();
            int i = 0;
            int value = 0;
            while (i < count)
            {
                bool bExist = false;
                value = random.Next(1, 5001);
                if (TValues != null)
                {
                    foreach (List<int> Ttmp in TValues)
                    {
                        if (Ttmp.Contains(value))
                        {
                            bExist = true;
                            break;
                        }
                    }
                }
                if (!bExist)
                {
                    if (!TValue.Contains(value))
                    {
                        TValue.Add(value);
                        i++;
                    }
                }
            }
            return TValue;
        }

        private static string GetString(List<int> T)
        {
            string back = "";
            foreach (int value in T)
            {
                if (back == "")
                    back = value.ToString();
                else
                    back += "," + value.ToString();
            }
            return back;
        }
    }
}

------解决方案--------------------
public int getNum(int[] arrNum,int tmp,int minValue,int maxValue,Random ra){
           int n=0;
         while (n<=arrNum.Length-1)
           {  
          if (arrNum[n]==tmp)  
           {
           tmp=ra.Next(minValue,maxValue);
             getNum(arrNum,tmp,minValue,maxValue,ra);          
            }
           n++;
           }
           return tmp;
           }

参考


------解决方案--------------------
C# code
using System;
class a
{
    public struct infomation
    {
        public const string name = "mark";
        public const string contry = "china";
    } 
}
class b
{
    static void Main()
    {
        a aa = new a();
        Console.WriteLine("name:{0}    contry:{1}",a.infomation.name,a.infomation.contry);
        Console.ReadLine();
    }
}