1.后台方法:

protected string CsharpVoid(string strCC)
{
 return strCC;
}

2.javascript 调用

<script  language="javascript">
  var s = "<%=CsharpVoid("www.esoutong.com")%>";   
  document.write(s);
</script>

+++++++++++++++++第二种情况:

1.后代码:

protected void CsharpVoid()
{
        string strCC = "www.esoutong.com";
        Response.Write(strCC);
}

2.调用方法:CsharpVoid()

<script  language="javascript">
document.write("<%CsharpVoid();%>");
</script>



你可在页面中放一个按钮,把它设置为不可见style="display:none",然后,用脚本让此按钮点击

document.all("button1").click();


在此按钮的C#后台中写事件代码,这就是最简单的脚本调用C#方法.