using System;

​

public class Program

{

    public static void Main()

    {

        try

        {

            //throw new AWDbException("AWEDb");

            //throw new AWValidationException("AWEVal");

            throw new AWException("AWE");

            //throw new Exception("System");

        } 

        catch (AWValidationException ex)

        {

            Console.WriteLine(String.Format("Log 1: {0}, {1}",ex.Tip, ex.Message));

        }

        catch (AWException ex)

        {

            Console.WriteLine(String.Format("Log 2: {0}, {1}",ex.Tip, ex.Message));

        }

        catch (Exception ex)

        {

            Console.WriteLine(String.Format("Log 3: {0}, {1}","System", ex.Message));

        }

        Console.WriteLine("END");

    }

}

​

public class AWException: System.Exception 

{

    protected string tip = "AWE";

    public string Tip {get {return this.tip;}}  

    public AWException() {

    }

    public AWException(string msg): base(msg) {

    }

}

​

public class AWDbException: AWException 

{

    public AWDbException(){

        this.tip = "AWEDb";

    }

    public AWDbException(string msg): base(msg){

        this.tip = "AWEDb";

    }

}

​

public class AWValidationException: AWException 

{   

    public AWValidationException() {

        this.tip = "AWEValidation";

    }

    public AWValidationException(string msg): base(msg) {

        this.tip = "AWEValidation";

    }

}