using System;

namespace ErrorHandling

{

public class SyamilException : Exception  

{  

    public SyamilException(String message)  

        : base(message)  

    {      }    

}  

public class AneeshException : Exception  

{  

    public AneeshException(String message)  

        : base(message)  

    {     }  

}

public class SreeragException : Exception  

{  

    public SreeragException(String message)  

        : base(message)  

    {     }  

}

public class Level1

{ Level2 L2=new Level2();

 public void method1(){ 

   try {

        L2.method2();

    }

   catch(AneeshException e)

   {

     Console.WriteLine("Caught AneeshException from level2:{0}",e.Message);

    throw new SreeragException("This is Sreerag Exception");

    }

 }

}

public class Level2

{

 Level3 L3=new Level3();

 public void method2(){

   try {

        L3.method3();

    }

   catch(SyamilException e)

   {

     Console.WriteLine("Caught SyamilException from level3:{0}",e.Message);

    throw new AneeshException("This is Aneesh Exception");

    }

 }

   }

​

public  class Level3{

public void method3(){

throw new SyamilException("This is Syamil Exception");

}

}

public class MyProgram 

{  

    public static void Main(string[] args)  

    {  

         Level1 l=new Level1();

        try  

        {  

            l.method1();  

        }  

        catch (SreeragException e) { Console.WriteLine("Caught SreeraException from level1:{0}",e.Message); }  

        Console.WriteLine("Rest of the Code");  

    }  

}

}