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<td>上传照片:</td>
<td >
<div style="position:relative; float:left">
<asp:ScriptManager ID="ScriptManager" runat="server" EnablePartialRendering="true">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel" runat="server" RenderMode="Block" UpdateMode="Conditional">
<ContentTemplate>
<fieldset style="border:0px;">
<!--这里的文本框和图片主要是用来模拟UPLOADFILE控件-->
<input name="txtUpload" id="txtUpload" type="text" class="input1" style=" margin-top:6px;" />
<img src="images/upload_1.jpg" style="position:absolute; left: 185px; top: 5px; " alt="" />
<!--这个是上传按钮-->
<asp:ImageButton ID="btn" runat="server" ImageUrl="~/images/upload.jpg" style="position:absolute; left: 275px; top: -1px; cursor:pointer" OnClick="Button_UpLoad" />
<!--这是真正的UploadFile控件,设置成透明,覆盖到了上面的假控件上-->
<asp:FileUpload ID="FileUpload" runat="server" CssClass="input1"
style="position:absolute; left: 0px; top: 0px; height:22px; width:257px; filter:Alpha(opacity=0);opacity:0;-moz-opacity:0; cursor:pointer" />
<!--这个隐藏域用来存放上传成功后的图片名称-->
<asp:HiddenField ID="hidPhotoName" runat="server" />
</fieldset>
</ContentTemplate>
<Triggers>
<asp:PostBackTrigger ControlID="btn" />
</Triggers>
</asp:UpdatePanel>
</div>
</td>