public static void AddValidation(AbstractValidator <Command> v)
{
v.RuleFor(x => x.Name)
.NotEmpty().WithMessage("Please enter name.");
v.RuleFor(x => x.Gender)
.Equal(0).WithMessage("Invalid gender.");
v.RuleForEach(x => x.Locales).ChildRules(locales =>
{
locales.RuleFor(x => x.Name)
.NotEmpty().WithMessage("Please enter name.");
});
}