c# ile sayısal loto programı

int sayi;
int m=0;
listBox1.Items.Clear();
Random rasgele=new Random();
ArrayList dizi=new ArrayList();
int[] loto=new int[6];
int deger;
for (int i=0;i<=48;i++)
{
dizi.Add(i+1);
}
for (int i=0;i<=5;i++)
{
deger=rasgele.Next()%dizi.Count+1;
loto[i]=Convert.ToInt32(dizi[deger-1]);
dizi.RemoveAt(deger-1);
}

for (int j=0;j<=5;j++)
{
for (int k=j+1;k<=5;k++)
{
if ( loto[j]>loto[k])
{
sayi=loto[j];
loto[j]=loto[k];
loto[k]=sayi;
}
m++;
}
}
foreach (int eleman in loto)
{
listBox1.Items.Add(eleman);
}
this.Text=m.ToString();