Code to Convert Decimal to Binary

public static void ConvertDecimalToBinary()
        {
            int num;
            Console.Write("Enter a Number : ");
            num = int.Parse(Console.ReadLine());
            int quot;

            string rem = "";

            while (num >= 1)
            {
                quot = num / 2;
                rem += (num % 2).ToString();
                num = quot;
            }

            // Reversing the  value
            string bin = "";
            for (int j = rem.Length - 1; j >= 0; i--)
            {
                bin = bin + rem[j];
            }

            Console.WriteLine("The Binary format for given number is {0}", bin);
        }