上傳文件至服務器

      public void fileUpload(string OID)
        {
            try
            {
                string path = Server.MapPath("../../../DataUser/UploadFile/");
                string filePath = this.fj.PostedFile.FileName;
                string fileName = filePath.Substring(filePath.LastIndexOf("\\") + 1);
                string serverPath = path + fileName;
                string xdPath = "../../../DataUser/UploadFile/TZGG/" + fileName;
                string extension = fileName.Substring(fileName.LastIndexOf("."));
                string length = Convert.ToString(this.fj.PostedFile.ContentLength);
                DateTime dt = DateTime.Now;
                string Rec = BP.Web.WebUser.No;
                string RecName = BP.Web.WebUser.Name;
                System.Text.StringBuilder builder = new System.Text.StringBuilder();
                builder.Append("上傳文件的類型:" + this.fj.PostedFile.ContentType.ToString() + "");
                builder.Append("客戶端文件地址：" + this.fj.PostedFile.FileName + "");
                builder.Append("上傳文件名稱：" + fileName);
                builder.Append("上傳文件的擴展名：" + extension);
                builder.Append("上傳文件的大小：" + length + "");
                if (System.IO.File.Exists(serverPath))
                {
                    Response.Write("該文件在服務器上已經存在，請不要重複上傳！");
                    return;
                }
                //string str = fileName.Substring(fileName.LastIndexOf(".") + 1);//獲取文件後綴名
                if (this.fj.PostedFile.ContentLength > 1073741824)
                {
                    Response.Write("對不起，文件不能超過1G");
                    return;
                }
                //this.fj.PostedFile.SaveAs(@""+shareFile+"TZGG\\" + fileName);//上傳保存文件
                //string sql = "update TZNotification set FileFullName='" + xdPath + "',FileName='" + fileName + "',FileExts='" + extension + "',FileSize=" + length + " where OID='" + OID + "'";
                //BP.DA.DBAccess.RunSQLReturnTable(sql);
            }
            catch (Exception)
            {

                throw;
            }
        }