C# Random 生成不重复随机数 By HKL, We

Random ro = new Random(10);
long tick = DateTime.Now.Ticks;
Random ran = new Random((int)(tick & 0xffffffffL) | (int) (tick >> 32));

int iResult;
iResult=ro.Next();

int iResult;
int iUp=100;
iResult=ro.Next(iUp);

int iResult;
int iUp=100;
int iDown=50;
iResult=ro.Next(iDown,iUp);

double dResult;
dResult=ro.NextDouble();

Hashtable hashtable = new Hashtable();
Random rm = new Random();
int RmNum = 10;
for (int i = 0; hashtable.Count < RmNum; i++)
{
	int nValue = rm.Next(100);
	if (!hashtable.ContainsValue(nValue) && nValue != 0)
	{
		hashtable.Add(nValue, nValue);
		Console.WriteLine(nValue.ToString());
	}
}