You can use the "Store Cart Summary in Database" option to do this. You can get the total of the "FullDetails" column in the cart for a summary of all of the items as a delimited string.
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.