I dont understand what you are asking.
If ProductID has a userid of 4, and your user has a userid of 3, why would you want that returned?
If you want to display the products for the user that is logged in, then my example works.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.