Decimal to Binary in C#

using System;
namespace DecimalToBinary
{
class Project1
{
void Main()
{
int x,binary=0,t=1;
Console.Write("Enter a number : ");
x=Convert.ToInt32(Console.ReadLine());
while(x!=0){
    if(x%2==1){
        binary+=t;}
    x/=2;
    t*=10;
}
Console.Write("Number in binary : {0}",binary);
}
}
}