C#.NET While loop not exiting

Question

This is a short function to check and make user write uppercase Y or N .I dont know why but even if the user enter upper case Y or N , still then the loop does not exit. Any help please?

 static char GetUpperCaseYN()
    {
        char choice='y';
        Console.WriteLine("Calculate Another? Y/N ");
        choice = char.Parse(Console.ReadLine());
        while (choice != 'Y' || choice != 'N')
        {
            Console.WriteLine("Invalid Response.Please enter Y or N");
            choice = char.Parse(Console.ReadLine());
        }
        return choice;
    }

James · Accepted Answer · 2015-11-07 00:13:54Z

4

Use && not ||; they can't both be false with one character :)

answered Nov 7, 2015 at 0:13

James

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