一、放到html头
<style type="text/css">
#newPreview { FILTER: progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale)}
</style>
<script type="text/javascript" language="javascript">
function PreviewImg(imgFile)
{
var newPreview = document.getElementById("newPreview");
// newPreview.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = imgFile.value;
// newPreview.style.width ="480px" ;
// newPreview.style.height = "240px";
newPreview.src=imgFile.value;
newPreview.
}
</script>
二、放到body
<div >
<img id ="newPreview" style="width: 50px; height: 30px"/>
</div>
三、放到 load 事件里:
IdName.Attributes.Add("onchange", "return PreviewImg(this);");