Unobtrusive Validation and KnockoutJS form submit

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I’ve been playing with some MVC4, Knockout JS and some unobtrusive validation, specifically I was trying to replicate the Grid Editor Example.


I had a problem with the example when I had:

$("form").validate({ submitHandler: function () {;
} });


It would still call the, which would in term post my data back to the server even if I had errors. This worked “ok” in most cases as my model validation picked up most things, but if for example I’d put a string in a number field, that’s when everything came to a screaming halt.

After a bit of poking around I found that changing the previous statement for this one made everything happy again:

$.validator.setDefaults({ submitHandler: function() {
        } });