using System;
 
public class Test
{
	public static void Main()
	{
		 Console.WriteLine("You have not installed Microsoft SQL Server 2008 R2, do you want to install it now? (Y/N): ");
                    //var answerKey = Console.ReadKey();
                    //var answer = answerKey.Key;
                    var answer = Console.ReadLine();
                    Console.WriteLine("After key pressed.");
                    Console.WriteLine("Before checking the pressed key.");
                    //if(answer == ConsoleKey.N || answer != ConsoleKey.Y)
                    if (string.IsNullOrEmpty(answer) || string.IsNullOrEmpty(answer.Trim()) || string.Compare(answer.Trim(), "N", true) == 0)
                    {
                        Console.WriteLine("The installation can not proceed.");
                        Console.Read();
                        return;
                    }
			Console.WriteLine("Success {0}", answer);
	}
}

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

eQ==

y