method to convert binary number into decimal c# code example

Example 1: how to convert a number to 2 decimal places in c#

// just two decimal places
String.Format("{0:0.##}", 123.4567);      // "123.46"
String.Format("{0:0.##}", 123.4);         // "123.4"
String.Format("{0:0.##}", 123.0);         // "123"

Example 2: c# code to convert decimal to binary

int  n, i;       
       int[] a = new int[10];     
       Console.Write("Enter the number to convert: ");    
       n= int.Parse(Console.ReadLine());     
       for(i=0; n>0; i++)      
        {      
         a[i]=n%2;      
         n= n/2;    
        }      
       Console.Write("Binary of the given number= ");      
       for(i=i-1 ;i>=0 ;i--)      
       {      
        Console.Write(a[i]);      
       }