using System;

using System.Threading;

using System.Threading.Tasks;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {       

        var result = new AsyncDemo().TestMethod1().Result;

        Console.WriteLine(result);

    }

}

​

public class AsyncDemo {

    public async Task<string> TestMethod1()

    {

        Thread.Sleep(1000);

        return  "From Async Method";

    }

}