How call c# method use javascript in html page
                            
                         
                        
                     
                 
                
                    Hello
How call c# method use javascript in html page
I have method  LoadXml("http://localhost/mysite/res/toolbar.xml") and need this method call in html page use javascript.
Example: 
<script type="text/javascript">
 myToolbar.LoadXml("http://localhost/mysite/res/toolbar.xml");
</script>
How call?  Please, help