.net 点击复制网址怎么搞呢

<input type="button" name="Submit" onClick='copyToClipBoard()' value="复制本页地址" width="100" height="16">
<script language="javascript">
function copyToClipBoard(){
var clipBoardContent="";
clipBoardContent+=document.title;
clipBoardContent+="";
clipBoardContent+=this.location.href;
window.clipboardData.setData("Text",clipBoardContent);
alert("复制成功");
} </script>