public static void Main()
string format = "{0, -10} {1, -15}";
object [] values = { "2" ,"1.32", "ABC", "true", "false", "a", ".", "10.2m"};
Console.WriteLine(format, "Object", "Is Valid Boolean");
Console.WriteLine(format, "------", "----------------");
foreach(var val in values)
Console.WriteLine(format, val, val.IsValidBoolean());