Parse string to bool value

using System;/*j a  v a 2s.  c o m*/

public class Example
{
   public static void Main()
   {
       try {
          bool flag = Boolean.Parse("True");
          flag = Boolean.Parse("False");
          flag = Boolean.Parse("true");
          flag = Boolean.Parse("false");
          flag = Boolean.Parse(" true ");
          flag = Boolean.Parse("0");
          flag = Boolean.Parse("1");
          flag = Boolean.Parse("-1");
          flag = Boolean.Parse("asdf");
       }
       catch (ArgumentException) {
          Console.WriteLine("Cannot parse a null string.");
       }   
       catch (FormatException) {
          Console.WriteLine("Cannot parse '{0}'.", value);
       }         
                                         
   }
}