using System;

using System.Threading;

using System.Threading.Tasks;

public class Program

{

    public static void Main()

    {       

        var task = Task.Delay(100);

        task.ContinueWith(t => HandlerA());

        task.ContinueWith(t => HandlerB());

        task.Wait();

        Thread.Sleep(1000);

    }

    public static async Task HandlerA()

    {

        Console.WriteLine("HandlerA Called");

        throw new Exception("Bam!");

    }

    public static async Task HandlerB()

    {

        Console.WriteLine("HandlerB Called");

    }

}

​