it's my validation for chosen enabled select:
SellerDropDownList: {
    required: {
        depends: function (element) {
            return $("#SellerDropDownList").val() == "-1";
        }
    }
}
Default value is -1, but it does not work and when I click submit button; It passes validation while chosen selected value is -1.
JSFiddle: http://jsfiddle.net/maysamsh/rLQDK/18/
 
     
    