using System;

Console.WriteLine("Willkommen zum Dezimalzahl in Binärzahl Rechner. ");

Console.WriteLine("Wählen sie eine Dezimalzahl. (0-255)");

int iDez = Convert.ToInt32(Console.ReadLine());

Nummer(iDez);

public static void Nummer(int Dez)

{

int i = 1;

int n1 = 0;

int n2 = 0;

int n3 = 0;

int n4 = 0;

int n5 = 0;

int n6 = 0; 

int n7 = 0;

int n8 = 0;

if (Dez == 0)

{

Abbruch(n1, n2, n3, n4, n5, n6, n7, n8);

}

else

{

int n = Dez % 2;

if(i == 1) 

{n1 = n;}

​

if(i == 2) 

{n2 = n;}

​

if(i == 3) 

{n3 = n;}

if(i == 4) 

{n4 = n;}

if(i == 5) 

{n5 = n;}

if(i == 6)

{n6 = n;}

if(i == 7)

{n7 = n;}

if(i == 8)

{n8 = n;}

i += 1;  

int D = (Dez-(Dez%2))/2;

Nummer(D);

}

}

public static void Abbruch(int n1, int n2, int n3, int n4, int n5, int n6, int n7, int n8) 

{

Console.WriteLine("{0}{1}{2}{3}{4}{5}{6}{7}",n8,n7,n6,n5,n4,n3,n2,n1 );

}