using System;

​

    public class Program

    {

        public static void Main()

        {

            const int WebConfigMaxFileSize = 52428800;

            decimal CurrentFileSize = (decimal)52428800;

​

            Console.WriteLine(convertBytes(CurrentFileSize));

​

            bool convertBytes(decimal input, int count = 0)

            {

                decimal currentFileSize = input; int KB = 1024; int MB = 1048576;

​

                while (input >= KB ) { input = input / KB; count++; }

​

                int dataType = count > 0 ? KB: MB;

​

                decimal maxFileSizeCheck = WebConfigMaxFileSize / dataType;

                decimal currentFileSizeCheck = currentFileSize / dataType;

​

                return maxFileSizeCheck >= currentFileSizeCheck;

            }

        }

    }

​