先在<Head>裡面下,也可以定在CSS裡面再讓DIV去抓CSS
然後下SCRIPT
<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>
在FileUpload裡面下onchange="PreviewImg(this),並記得DIV的ID要設定
<asp:FileUpload ID="FileUpload2" runat="server" onchange="PreviewImg(this)" /> <div id="newPreview" class="newPreview"></div>
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