#region IClientValidatable Members

public IEnumerable<ModelClientValidationRule> GetClientValidationRules( ModelMetadata metadata , ControllerContext context )
{
    string _dependentProperty = GetdDependentPropertyId( metadata , context as ViewContext );
    this._DependentPropertyDisplayName = _dependentProperty;

    var rule = new ModelClientValidationRule()
    {
        ErrorMessage = FormatErrorMessage( metadata.GetDisplayName() ) ,
        ValidationType = "agecompare"
    };

    rule.ValidationParameters.Add( "dependentproperty" , _dependentProperty );
    yield return rule;
}

#endregion

private string GetdDependentPropertyId( ModelMetadata metadata , ViewContext viewContext )
{
    // Get element id from our template
    string _dependentProperty = viewContext.ViewData.TemplateInfo.GetFullHtmlFieldId( this.DependentProperty );


    //remote field name from Dependent Property
    var thisField = metadata.PropertyName + "_";
    if ( _dependentProperty.StartsWith( thisField ) )
        _dependentProperty = _dependentProperty.Substring( thisField.Length );

    return _dependentProperty;
}

var rule = new ModelClientValidationRule()
{
    ErrorMessage = FormatErrorMessage( metadata.GetDisplayName() ) ,
    ValidationType = "agecompare"
};

rule.ValidationParameters.Add( "dependentproperty" , _dependentProperty );
yield return rule;

$.validator.unobtrusive.adapters.add(
    'agecompare',
    ['dependentproperty'],
    function (options) {
        options.rules['agecompare'] = {
            dependentproperty: options.params['dependentproperty']
        };
        options.messages['agecompare'] = options.message;
});

$.validator.addMethod('agecompare',
    function (value, element, parameters) {
        var id = '#' + parameters['dependentproperty'];
        var _dependentvalue = $(id).val();
        var _value = $(element).val();

        if ((_dependentvalue - _value) < 15)
            return false;

        return true;
    }
);

$.validator.addMethod('agecompare',
    function (value, element, parameters) {
        var id = '#' + parameters['dependentproperty'];
        var _dependentvalue = $(id).val();
        var _value = $(element).val();

        if ((_dependentvalue - _value) < 15)
            return false;

        return true;
    }
);

$.validator.unobtrusive.adapters.add(
    'agecompare',
    ['dependentproperty'],
    function (options) {
        options.rules['agecompare'] = {
            dependentproperty: options.params['dependentproperty']
        };
        options.messages['agecompare'] = options.message;
});