此段代码放于<head> ....</head>之间
<style type="text/css">#newPreview {
FILTER: progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale)
}
</style> <body>内的代码
<script language="javascript" type="text/javascript"> function PreviewImg(imgFile){ var newPreview = document.getElementById("newPreview"); newPreview.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = imgFile.value; newPreview.style.width = "80px"; newPreview.style.height = "60px";}</script> <asp:FileUpload ID="Fud_Pic" runat="server" onchange="PreviewImg(this)" /><div id="newPreview"></div>