User friendly url using url rewrite module in iis7

Question

I have changed my url from http://localhost/urlrewrite/pricetocompare.aspx?category=Mobiles&keyword=apple  to      http://localhost/urlrewrite/Mobiles/apple  using urlrewrite module in iis7.
Now i have the issue while  click the product inside http://localhost/urlrewrite/Mobiles/apple it would  redirect to http://localhost/urlrewrite/Mobiles/product.aspx?productId=1  this url does not display the respective  product ..I have attached the screenshot