You can add form validation. Why would it fail? It is probably best to capture the reason it might fail and give information about why using client or server form validation.
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.