//Code for wiring up unobtrusive client side validation.
//Date comparison is done using Moment, but you can use whatever implementation you'd like
(function ($) {

    jQuery.validator.addMethod("notequals", function (value, element, param) {
        if (!isNaN(parseFloat(param)) && !/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i.test(param)) //regex only tests if it looks like a GUID, not if it is a valid GUID
        {
          if (element.classList.contains("datetimepicker-input"))
            return !moment(value).isSame(param);
          else
            return parseFloat(value) != parseFloat(param);
        }
        else
          return value != param;
        });
    });

    jQuery.validator.unobtrusive.adapters.addSingleVal("notequals", "val");
});