Conditional validation in MVC3

Question

In MVC3, there are a way to add or stop validation in a field depending on the value of a drop-drown list with JQuery? I have been trying with Fluent Validation, but with no luck.

goenning · Accepted Answer · 2012-02-10 20:12:19Z

1

Are you using unobtrusive validation? Is so, look at the html and you will see that there are some html5 attributes on your input, something like this:

<input name="product" id="product" data-val="true" data-val-required="Product is required" />

I suppose you could use jQuery to remove the data-val attribute and then the jQuery Validator will skip this item.

$("#product").data("val", false);

Well, that's my guess, try it yourself.

answered Feb 10, 2012 at 20:12

goenning

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HaBo · Accepted Answer · 2012-02-10 20:19:16Z

0

you should use jQuery AddClass Rules

Create jQuery Class

 $.validator.addClassRules({
    Req: {
        required: true
    }
});

Validate the Filed by checking the selected value

$("#Selector").blur(function () {
    var Val= $("#Selector").val();

    if (Val == "Compare to the String") {

            $("#Selector").addClass("Req");
    }
    else {
        $("#Selector").removeClass("Req");
    }
});

answered Feb 10, 2012 at 20:19

HaBo

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1 Comment

Gradile Over a year ago

this solution should work, but is not. I'm working on other workarounds that I will post if they works.

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