uploadify上传的文件

 /*上传图片必须加入这个解决302错误*/
            /*1.在Global.asax.cn文件里添加*/
            #region by xsn 7818999 for uploadify
            if (!IsPostBack)
            {
                StringBuilder sb = new StringBuilder("<script type="text/javascript">");
                sb.Append("var auth = "");
                sb.Append(Request.Cookies[FormsAuthentication.FormsCookieName] == null ? string.Empty : Request.Cookies[FormsAuthentication.FormsCookieName].Value);
                sb.Append("";");
                sb.Append("var ASPSESSID = "");
                sb.Append(Session.SessionID);
                sb.Append("";</script>");
                litScirpt.Text = sb.ToString();
            }
            #endregion

 jQuery("#ID").uploadify({
                'formData': { 'ASPSESSID': ASPSESSID, 'AUTHID': auth },
                'buttonText': '设计稿细节图',
                'width': '120', 'height': '20',
                'auto': true,
                'method': "GET",
                'successTimeout': 99999,
                'swf': '/js/plugins/uploadify/uploadify.swf?r=' + Math.round(Math.random() * 10),
                'uploader': "/main/des/ajax/DesignDraft.ashx?operating=upLoadify&r=" + Math.round(Math.random() * 10),
                'fileSizeLimit': '300',
                'mulit': false,
                'progressData': 'speed',
                'overrideEvents': ['onDialogClose'],
                'fileTypeExts': '*.jpg;*.bmp',
                'onSelectError': function (file, errorCode, errorMsg) {
                    switch (errorCode) {
                        case -100:
                            alert("上传的文件数量已经超出系统限制的" + jQuery('#ID').uploadify('settings', 'queueSizeLimit') + "个文件！");                             break;                    
     case -110:                        
     alert("文件 [" + file.name + "] 大小超出系统限制的" + jQuery('#ID').uploadify('settings', 'fileSizeLimit') + "KB！");                             break;                         case -120:                             alert("文件 [" + file.name + "] 大小异常！");                             break;                         case -130:                             alert("文件 [" + file.name + "] 类型不正确！");                             break;                     }                 },                 'onClearQueue': function (queueItemCount) {                     alert("取消上传");                     return;                 },                 'onUploadSuccess': function (file, Data, Response) {                     var json = $.parseJSON(Data);                     if (json.success) {                         $.messager.alert("温馨提示", "设计稿细节图上传成功!");                         $("#img1").attr("src", json.msg);                         $("#SYTLE_PATH").val(json.msg);                     }                     else {                         $.messager.alert("温馨提示", "设计稿细节图上传失败");                     }                     return;                 }             });