一个关于swfupload的问题
第一次用swfupload ,照着网上的教程把swfupload.js、handlers.js、default.css等文件复制到相关目录，然后在default.aspx的<head>里添加swfupload.js等文件，在default.aspx.cs的page_load里加上 Session.Clear(); 但是到这步就运行出错了。请问还我还有什么没有做的吗？
下面是default.aspx的内容：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"><link href="css/main.css" rel="stylesheet" type="text/css" /> <title></title><link href="css/default.css" rel="stylesheet" type="text/css" /> <script type="text/javascript" src="swfupload/swfupload.js"></script><script type="text/javascript" src="js/handlers.js"></script> <script type="text/javascript"> var swfu; window.onload = function () { swfu = new SWFUpload({ // Backend Settings upload_url: "upload.aspx", post_params : { "ASPSESSID" : "<%=Session.SessionID %>" }, // File Upload Settings file_size_limit : "2 MB", file_types : "*.jpg", file_types_description : "JPG Images", file_upload_limit : "0", // Zero means unlimited // Event Handler Settings - these functions as defined in Handlers.js // The handlers are not part of SWFUpload but are part of my website and control how // my website reacts to the SWFUpload events. file_queue_error_handler : fileQueueError, file_dialog_complete_handler : fileDialogComplete, upload_progress_handler : uploadProgress, upload_error_handler : uploadError, upload_success_handler : uploadSuccess, upload_complete_handler : uploadComplete, // Button settings button_image_url : "images/XPButtonNoText_160x22.png", button_placeholder_id : "spanButtonPlaceholder", button_width: 160, button_height: 22, button_text : '<span class="button">选择图片 <span class="buttonSmall">(最大2M)</span></span>', button_text_style : '.button { font-family: Helvetica, Arial, sans-serif; font-size: 14pt; } .buttonSmall { font-size: 10pt; }', button_text_top_padding: 1, button_text_left_padding: 5, // Flash Settings flash_url : "swfupload/swfupload.swf", // Relative to this file custom_settings : { upload_target : "divFileProgressContainer" }, // Debug Settings debug: false }); } </script></head><body> <form id="form1" runat="server"> <div style="margin:0 auto;"> <asp:DataList ID="DataList1" runat="server" RepeatColumns="4"> <ItemTemplate> <div style="color:Gray;text-align:center;height:20px;"> <asp:LinkButton ID="viewpics" CommandName="pids" CommandArgument='<%# Eval("pid")%>' Text='<%# Eval("albumname")%>' runat="server"></asp:LinkButton></div> <div class="speciaIn"> <img src="images/def.gif" alt="d" title="dff" /> <div > </div> </div> <div style="color:Gray;text-align:center;height:20px;"> 共<%# Eval("crowCounts")%>张相片 <asp:LinkButton ID="LinkButton1" runat="server" Font-Underline="false" Font-Size="Small">删除</asp:LinkButton> </div> </ItemTemplate> </asp:DataList> <br /> <asp:LinkButton ID="PrevPage" runat="server" onclick="PrevPage_Click">上一页</asp:LinkButton> <asp:LinkButton ID="NextPage" runat="server" onclick="NextPage_Click">下一页</asp:LinkButton> 当前第<asp:Label ID="CurrentPageText" runat="server"></asp:Label> 页 共<asp:Label ID="All" runat="server"></asp:Label> 页 跳转到 <asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="true" onselectedindexchanged="DropDownList1_SelectedIndexChanged"> </asp:DropDownList> 页 <br /> </div> </form> <div> <div> <button id="btnBrowse" type="button" style="padding: 5px;" onclick="swfu.selectFiles(); this.blur();"> <img src="images/page_white_add.png" style="padding-right: 3px; vertical-align: bottom;" alt="Add Icon" /> Select Images <span style="font-size: 7pt;">(2 MB Max)</span></button> </div> </div></body></html>