using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        Type type = typeof(string);

        string myValue = "3/1/2022";

        var b = Convert.ChangeType(myValue, type, CultureInfo.InvariantCulture);

        var a = DateOnly.TryParse(myValue, out var dateOnly);

        Console.WriteLine(b);

        Console.WriteLine(a);

        Console.WriteLine(dateOnly);

    }

}