asp.net - Login OnClick Event not firing -

this first attempt @ creating asp.net website please kind. i'm attempting fire click event on submit button in asp.net, template i'm using has html

<div id="lightbox"></div>     <div id="loginbox-panel"> <a href="#" id="lightbox-close"></a>          <form action="#">             <fieldset>                 <div class="frame">                     <h4>testsite</h4>                     <small>sign in account.</small>                     <div class="clear"></div>                     <input type="text" value="username" class="input-text autoclear" />                     <input type="password" value="password" class="input-text autoclear" />                 </div>                  <div class="separator"></div>                  <div>                     <input type="submit" value="sign in" class="input-submit float-right" />                     <a href="#" class="float-left">forgot password?</a>                 </div>              </fieldset>         </form>  </div> 

i believe input type="submit" client side made run server side event using

<input type="submit" value="sign in" class="input-submit float-right"  runat="server"  onserverclick="loginbutton_click"/> 

with code behind

protected void loginbutton_click(object sender, eventargs e) {    //login handler } 

however, event not firing! please can advise how can loginbutton_click event fire

thanks

your form needs runat=server able send form server , wire click event on button.