var Pics=document.getElementById("ifocus_piclist").getElementsByTagName("li");
var Pics=document.getElementById("ifocus_piclist").getElementsByTagName("li");
这句话有啥错误
<div id="ifocus_piclist">
<asp:Repeater ID="Repeater1" runat="server" DataSourceID="SqlDataSource1" Visible="false">
<HeaderTemplate>
<ul>
</HeaderTemplate>
<ItemTemplate>
<li>
<%# "UploadFile/" + Eval("ImgUrl")%></li>
</ItemTemplate>
<FooterTemplate>
</ul></FooterTemplate>
</asp:Repeater>
</div>
为什么会出现下面的情况
Microsoft JScript 运行时错误: 'document.getElementById(...)' 为空或不是对象