Are you applying the MySQLi Multiple Insert, or the Data Assist version? If you can send me FTP access and the name of the page you are working on I can try to reproduce the issue and get it fixed.
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.