js判断Gridview有无数据控制DIV显示隐藏

           

//先设置个DIV并设置为隐藏

<div align="center" id="div" style="display:none; color: #FF0000; font-size: 35px;">没有操作数据! </div>

//根据判断gridview有没有数据控制DIV显示隐藏

  <script type="text/javascript">

           var gdvList = document.getElementById('Htgv');
            //有数据隐藏DIV
            if (gdvList) {
                document.getElementById("div").style.display = "none";
             }
            //无数据显示DIV
            else {
                document.getElementById("div").style.display = "";
            }

 </script>

 

 

//            function show() {
//                document.getElementById("div").style.display = "";
//                //alert(document.getElementById("div").style.display)
//            }
//            function hidden() {
//                document.getElementById("div").style.display = "none";
//                //alert(document.getElementById("div").style.display)
//            }