dont add the code directly.
instead, click on the select list in design view.
In the property inspector, click the Dynamic button, enter the isset code in the Select Option Equal to box
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.