Make sure that only one viewmodel property has insertMessages set to false in Knockout.js

Is it achievable to customize the insertMessages property to false for a specific view model property using Knockout.js instead of setting it globally using 

ko.validation.init({ insertMessages: false });
? I am attempting to set insertMessages to false only for a particular view model property.

For instance:

reasonDetails.extend({
        required: {
            message: 'Please make at least one selection',
            onlyIf: function () {
                return reason() != 3;
            },
            insertMessages: false
        }
    });

However, this approach is not functioning as intended.

javascriptknockout.jsknockout-validation

Answer №1

To set validation options, they can be defined in the databinding of the control. As far as I know, there is no way to define this directly in the viewmodel itself.

For instance, in the following scenario, you can enable insertMessages for the entire page but disable it for a specific control. http://jsfiddle.net/zrp4w8ks/

First Name: <input type="text" data-bind="validationOptions: {insertMessages: false}, value: firstName" /><br/>
Last Name: <input type="text" data-bind="value: lastName" /><br/>

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