jQuery.Validate Conditional Validation RadioButton and DropDownList

Question

I am trying to set up some validation, so that if the \'Yes\' radio button is checked another control, which is a drop down list needs to be validated to ensure it is not se

Answer 1

As long as the first drop-down list option has a blank value (some text), the following rule will work:

rules: {
  NCBYears: {
    required: function(element) {
      return $("input:radio[name='PreviousInsurance']:checked").val() == 'yes';
    }
  }                
}

from: http://docs.jquery.com/Plugins/Validation/Methods/required#dependency-expression