datalist根据隐藏域的值改变背景与JS高度控制与JS自适应高度

 protected void dlmanage_ItemDataBound(object sender, DataListItemEventArgs e)    {        HiddenField hf = (HiddenField)e.Item.Controls[1];        HtmlTable tb = (HtmlTable)e.Item.Controls[3];

        if (hf.Value == "0")        {            tb.Style.Add("background-image", "url('images/Blue11.jpg')");        }        else        {            tb.Style.Add("background-image", "url('images/Blue22.jpg')");        }    }

 

 <script type="text/javascript" language="javascript">     parent.document.getElementById("iframemain").style.height="500px";     parent.document.getElementById("iframemain").scrolling="auto";

 

function resize(){     parent.document.getElementById('iframemain').style.height = document.body.scrollHeight>300?document.body.scrollHeight:300+"px";}window.οnlοad=resize;window.onresize = resize;</script>