You can use addMethod rule for this customized validation.
For Example, if you have a form id="mainForm" with state lists in the drop down. Suppose your drop down is having id ="drpState" then, write like this
HTML
-------
<select>
<option value="-1">- Select -</option>
<option value="1">Aus</option>
<option value="2">Mogs</option>
<option value="3">Swut</option>
</select>
Jquery
-------
jQuery(document).ready(function () {
$.validator.addMethod("selectState", function (value, element) {
return this.optional(element) || (value.indexOf('-1'));
}, "Please select state");
$("#mainForm").validate({
rules: {drpState:{selectState:true},
});
});
Please refer for more : http://ssthil.blogspot.in/2012/06/jquery-validate-multiple-fields-with.html
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