using System;

using System.Runtime.ExceptionServices;

​

public class Program

{

    public static void Main()

        {

            Console.WriteLine("Method1: ");

            try { MagicMethod_ExactlyErrorLine(0); }

            catch (Exception ex) {

                Console.WriteLine(ex);

            }

            Console.WriteLine();

            Console.WriteLine("Method2: ");

            try { MagicMethod_NoIdeaWhereIsAnError(0); }

            catch (Exception ex) {

                Console.WriteLine(ex);

            }

        }

        public static void MagicMethod_ExactlyErrorLine(int d)

        {

            try {

                int w = MagicMethodInner_ExactlyErrorLine(d);

            }

            catch (Exception ex) {

                // Do something with ex, logging for example

                throw; // rethrow

            }

        }

        public static void MagicMethod_NoIdeaWhereIsAnError(int d)

        {

            try {

                int w = MagicMethodInner_NoIdeaWhereIsAnError(d);

            }

            catch (Exception ex) {

                // Do something with ex, logging for example

                throw; // rethrow

            }

        }

        public static int MagicMethodInner_ExactlyErrorLine(int d)

        {

            return 1 / d;

        }

        public static int MagicMethodInner_NoIdeaWhereIsAnError(int d)

        {

            try { return 1 / d; }

            catch (Exception ex) {

                Console.WriteLine("{0}", ex.Message);

                throw;

            }

        }

}