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POMVC unobtrusive validation on checkbox not working
 

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  1. POMVC unobtrusive validation on checkbox not working
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    <p>I'm trying to implement the code as mentioned in <a href="https://stackoverflow.com/questions/2245185/how-to-handle-booleans-checkboxes-in-asp-net-mvc-2-with-dataannotations">this post</a>. In other words I'm trying to implement unobtrusive validation on a terms and conditions checkbox. If the user hasn't selected the checkbox, then the input should be marked as invalid. </p> <p>This is the server side Validator code, I've added:</p> <pre><code>/// &lt;summary&gt; /// Validation attribute that demands that a boolean value must be true. /// &lt;/summary&gt; [AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = false)] public class MustBeTrueAttribute : ValidationAttribute { public override bool IsValid(object value) { return value != null &amp;&amp; value is bool &amp;&amp; (bool)value; } } </code></pre> <p>This is the model</p> <pre><code>[MustBeTrue(ErrorMessage = "You must accept the terms and conditions")] [DisplayName("Accept terms and conditions")] public bool AcceptsTerms { get; set; } </code></pre> <p>This is my view:</p> <pre><code>@Html.EditorFor(x =&gt; x.AcceptTermsAndConditions) @Html.LabelFor(x =&gt; x.AcceptTermsAndConditions) @Html.ValidationMessageFor(x =&gt; x.AcceptTermsAndConditions) </code></pre> <p>and this is the jQuery I've used to attach the validator client side:</p> <pre><code>$.validator.unobtrusive.adapters.addBool("mustbetrue", "required"); </code></pre> <p>The client side script doesn't appear to be kicking in, however. Whenever I press the submit button, validation on the other fields kicks in fine, but the validation for the Terms &amp; conditions doesn't seem to kick in. This is how the code looks in Firebug after I've clicked the submit button.</p> <pre><code>&lt;input type="checkbox" value="true" name="AcceptTermsAndConditions" id="AcceptTermsAndConditions" data-val-required="The I confirm that I am authorised to join this website and I accept the terms and conditions field is required." data-val="true" class="check-box"&gt; &lt;input type="hidden" value="false" name="AcceptTermsAndConditions"&gt; &lt;label for="AcceptTermsAndConditions"&gt;I confirm that I am authorised to join this website and I accept the terms and conditions&lt;/label&gt; &lt;span data-valmsg-replace="true" data-valmsg-for="AcceptTermsAndConditions" class="field-validation-valid"&gt;&lt;/span&gt; </code></pre> <p>Any ideas? Have I missed out a step? This is driving me potty!</p> <p>Thanks in advance S</p>
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