C#建立动态表格没反应

以下为代码...程序可以运行,,,但 点击  加载数据 后没反应
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>无标题页</title>
    <script type="text/javascript">
        function LoadData()
        {
            var data={"百度":"http://www.baidu.com","新浪":"http://www.sina.com.cn","搜狐":"http://www.sohu.com"};
            var tableLinks=document.getElementById("tableLinks");
             
            for (var key in data)
            {
                var value=data[key];
                var tr=document.createElement("tr");
                var td1=document.createElement("td");
                td1.innerText=key;
                tr.appendChild(td1);
                
                var td2=document.createElement("td");
                td2.innerHTML="<a href'"+value+"'>"+value+"</a>";
                tr.appendChild(td2);
                
                
                tableLinks.appendChild(tr);
            }
        }
    </script>
</head>
<body>
<table id="tableLinks"></table>
<input type="button" value="加载数据" onclick="LoadData()" />
</body>
</html>