显示二进制图片代码

代码如下:
      <tr>
                                <td align="right" class="td1" style="height: 30px; width: 30%">
                                    上传图片：</td>
                                <td style="height: 30px">
                                    <asp:FileUpload ID="FUpdate"  runat="server" />
                                    </td>
                            </tr>
                            <tr style="background-color: #F2F9FF">
                                <td class="td1" style="height: 102px; width: 30%" align="right">
                                    图片预览：</td>
                                <td colspan="2" style="height: 102px">
                                <script type="text/javascript">

                                        function Preview(imgFile)
                                        {
                                        document.getElementById("pic").filters.
                                        item("DXImageTransform.Microsoft.AlphaImageLoader").src = imgFile.value;

                                        }
                                        </script>
                                        <div id="pic"
                                             style="filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale);width:200px;height:100px;">
                                         </div>               
                                </td>
                            </tr>