见笑见笑 一个返回值的问题

 //多文件上传

        public void FN_UpFiles()

        {

            //遍历File表单元素

            HttpFileCollection files = HttpContext.Current.Request.Files;

            try

            {

                for (int iFile = 0 ; iFile < files.Count ; iFile++)

                {

                    //检查文件扩展名字

                    HttpPostedFile postedFile = files[iFile];

                    string fileName = "";

                    fileName = Path.GetFileName(postedFile.FileName);

                    if (fileName != "")

                    {

                        try

                        {

                            string strpath = System.Web.HttpContext.Current.Request.MapPath("~/ResourcesFolder/") + fileName;

                            if (System.IO.File.Exists(strpath))

                            {

                                Response.Write("已经存在文件：" + fileName + "<br>");

                            }

                            else

                            {

                                try

                                {

                                    NRModel.File model = new NRModel.File();

                                    NRBLL.File bf = new NRBLL.File();

                                    Guid guid1 = Guid.NewGuid();

                                    Guid guid2 = Guid.NewGuid();

                                    Guid guid3 = Guid.NewGuid();

                                    Guid guid4 = Guid.NewGuid();

                                    model.Fileid = guid1;

                                    model.Folderid = guid2;

                                    model.Filepath = strpath;

                                    model.FileNam = fileName.ToString();

                                    model.FileSize = postedFile.ContentLength;

                                    model.Decription = this.decrition.Value;

                                    model.CreateOn = DateTime.Now;

                                    model.CreateBy = guid3;

                                    model.ModefyBy = guid4;

                                    if (bf.FN_AddNewRes(model) > 0)

                                    {

                                        postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath("~/ResourcesFolder/") + fileName);

                                        Page.RegisterStartupScript("提示", "<script language='javascript'>alert('上传成功!')</script>");

                                        Response.Write("<script language='javascript'>self.opener.location.reload();</script>");

                                        Response.Write("<script language='javascript'>window.close();</script>");

                                    }

                                }

                                catch (Exception ex)

                                {



                                    Response.Write(ex.ToString());

                                }



                            }



                        }

                        catch (Exception ex)

                        {

                            Response.Write(ex.ToString());

                        }

                    }

                }

            }

            catch (System.Exception ex)

            {

                Response.Write(ex.ToString());

            }

        }