Microsoft JScript 运行时错误: 缺少对象

Question

     <div id="more" runat="server" onmouseover="ShowMore()">更多</div><table id="moreover" runat="server" visible="false"><tr><td>删除</td></tr><tr><td>权限设置</td></tr><tr><td>转为私密日志</td></tr></table><script type="text/javascript"> 
    function ShowMore()
    {
        document.getElementById("moreover").style.display="inline";
    } 
</script>运行时总是出出现Microsoft JScript 运行时错误: 缺少对象，麻烦各位帮我看下咯 谢谢咯

Answer 1

document.getElementById["moreover"].style.display="inline";

Answer 2

document.all["moreover"].style.display="inline";

Answer 3

<div id="more" runat="server" onmouseover="ShowMore()">更多</div><table id="moreover" runat="server" visible="false"><tr><td>删除</td></tr><tr><td>权限设置</td></tr><tr><td>转为私密日志</td></tr></table><script type="text/javascript"> 
  function ShowMore()
  {
  document.getElementById("<%=moreover.ClientID%>").style.display="inline";
  } 
</script>是不是asp.net，如果是 这样试试看