C#声明一个100大小的数组 随机生成1-100之间不重复的数

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

namespace arrayTest
{
//C#声明一个100大小的数组 随机生成1-100之间不重复的数
class Program
{
static void Main(string[] args)
{
int[] array = new int[100];
ArrayList newArrayList = new ArrayList();
Random r = new Random();

for (int i = 1; i < 101; i++)
{
int sum=r.Next(1, 101);
array[i] = sum;
while (newArrayList.Count <= 100)
{
if (!newArrayList.Contains(sum))
{
newArrayList.Add(sum);
}
}
}
for (int j = 0; j < 100; j++)
{
array[j] =(int) newArrayList[j];
Console.Write("{0}",array[int]);

}
Console.ReadKey();

}
}
}
运行结果：
65,93,59,70,94,7,91,25,64,28,95,73,87,11,60,47,62,40,48,84,77,86,99,17,69,4,39,8
3,97,74,24,100,15,2,76,37,78,42,9,33,41,13,22,23,92,29,31,89,61,54,3,53,68,71,72
,85,52,80,46,82,27,14,56,88,49,51,21,63,79,75,96,57,6,58,44,66,30,19,16,35,8,5,8
1,55,26,18,90,43,1,50,36,10,38,20,98,12,32,67,34,45,请按任意键继续. . .