All you have to do is create the show all button to trigger the dataassist search server behavior. I beleive the trigger is based on a GET variable. Just add that trigger value to the link with any value and the result set will be cleared.
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.