FlashUpload 一次多选文件上传乱码问题

RT,
最近开始搞一个多文件上传的问题，将案例引入到项目中的时候，出现了文件名称乱码的问题？
不知道各位遇到过没有？
1.自己检查了这个项目的编码格式web.config都写写好的，<globalization requestEncoding="gb2312" responseEncoding="gb2312" fileEncoding="gb2312"/>2.页面文件的编码：<%@ Page Language="C#" ResponseEncoding="gb2312" <meta content="text/html; charset=gb2312" http-equiv="Content-Type">
3.将页面文件用TXT打开重新设置了保存时的编码为: UTF-8 
共有(ANSI,UTF-8，Unicode,Unicode big endia)4.
这个是案例的项目结构,他将 FileUpload 封装为了一个类库。 public class FlashUpload : Control
    {
        private const string FLASH_SWF = "FlashUpload.FlashFileUpload.swf";        [Category("Behavior")]
        [Description("The page to upload files to.")]
        [DefaultValue("")]
        public string UploadPage
        {
            get
            {
                object o = ViewState["UploadPage"];
                if (o == null)
                    return "";
                return o.ToString();
            }
            set { ViewState["UploadPage"] = value; }
        }        [Category("Behavior")]
        [Description("Query Parameters to pass to the Upload Page.")]
        [DefaultValue("")]
        public string QueryParameters
        {
            get
            {
                object o = ViewState["QueryParameters"];
                if (o == null)
                    return "";
                return o.ToString();
            }
            set { ViewState["QueryParameters"] = value; }
        }        [Category("Behavior")]
        [Description("Javascript function to call when all files are uploaded.")]
        [DefaultValue("")]
        public string OnUploadComplete
        {
            get
            {
                object o = ViewState["OnUploadComplete"];
                if (o == null)
                    return "";
                return o.ToString();
            }
            set { ViewState["OnUploadComplete"] = value; }
        }        [Category("Behavior")]
        [Description("The maximum file size that can be uploaded, in bytes (0 for no limit).")]
        public decimal UploadFileSizeLimit
        {
            get
            {
                object o = ViewState["UploadFileSizeLimit"];
                if (o == null)
                    return 0;
                return (decimal)o;
            }
            set { ViewState["UploadFileSizeLimit"] = value; }
        }        [Category("Behavior")]
        [Description("The total number of bytes that can be uploaded (0 for no limit).")]
        public decimal TotalUploadSizeLimit
        {
            get
            {
                object o = ViewState["TotalUploadSizeLimit"];
                if (o == null)
                    return 0;
                return (decimal)o;
            }
            set { ViewState["TotalUploadSizeLimit"] = value; }
        }        [Category("Behavior")]
        [Description("The description of file types that you want uploads restricted to (ex. Images (*.JPG;*.JPEG;*.JPE;*.GIF;*.PNG;))")]
        [DefaultValue("")]
        public string FileTypeDescription
        {
            get
            {
                object o = ViewState["FileTypeDescription"];
                if (o == null)
                    return "";
                return o.ToString();
            }
            set { ViewState["FileTypeDescription"] = value; }
        }        [Category("Behavior")]
        [Description("The file types to restrict uploads to (ex. *.jpg; *.jpeg; *.jpe; *.gif; *.png;)")]
        [DefaultValue("")]
        public string FileTypes
        {
            get
            {
                object o = ViewState["FileTypes"];
                if (o == null)
                    return "";
                return o.ToString();
            }
            set { ViewState["FileTypes"] = value; }
        }        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            Page.Form.Enctype = "multipart/form-data";
        }        protected override void Render(HtmlTextWriter writer)
        {
            base.Render(writer);
            string url = Page.ClientScript.GetWebResourceUrl(this.GetType(), FLASH_SWF);
            string obj = string.Format("<object classid=\"clsid:d27cdb6e-ae6d-11cf-96b8-444553540000\"" +
                        "codebase=\"http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0\"" +
                        "width=\"575\" height=\"375\" id=\"fileUpload\" align=\"middle\">" +
                        "<param name=\"allowScriptAccess\" value=\"sameDomain\" />" +
                        "<param name=\"movie\" value=\"{0}\" />" +
                        "<param name=\"quality\" value=\"high\" />" +
                        "<param name=\"wmode\" value=\"transparent\">" +
                        "<PARAM NAME=FlashVars VALUE='{3}{4}{5}{6}{7}&uploadPage={1}?{2}'>" +
                        "<embed src=\"{0}\"" +
                        "FlashVars='{3}{4}{5}{6}{7}&uploadPage={1}?{2}'" +
                        "quality=\"high\" wmode=\"transparent\" width=\"575\" height=\"375\" " +
                        "name=\"fileUpload\" align=\"middle\" allowScriptAccess=\"sameDomain\" " +
                        "type=\"application/x-shockwave-flash\" " +
                        "pluginspage=\"http://www.macromedia.com/go/getflashplayer\" />" +
                        "</object>",
                        url,
                        ResolveUrl(UploadPage),
                        HttpContext.Current.Server.UrlEncode(QueryParameters),
                        string.IsNullOrEmpty(OnUploadComplete) ? "" : "&completeFunction=" + OnUploadComplete,
                        string.IsNullOrEmpty(FileTypes) ? "" : "&fileTypes=" + HttpContext.Current.Server.UrlEncode(FileTypes),
                        string.IsNullOrEmpty(FileTypeDescription) ? "" : "&fileTypeDescription=" + HttpContext.Current.Server.UrlEncode(FileTypeDescription),
                        TotalUploadSizeLimit > 0 ? "&totalUploadSize=" + TotalUploadSizeLimit : "",
                        UploadFileSizeLimit > 0 ? "&fileSizeLimit=" + UploadFileSizeLimit : ""
                        );
            writer.Write(obj);
        }
    }
究竟这个乱码问题该怎么解决?    等待高手.....