//DataBackups文件夹,指在WEB页面根目录 System.Web.HttpContext.Current.Server.MapPath("DataBackups");
//../../DataBackups,指在web页面根目录往上两级的DataBackups文件夹
System.Web.HttpContext.Current.Server.MapPath("../../DataBackups");
//DataBackups文件夹,指在WEB页面根目录 System.Web.HttpContext.Current.Server.MapPath("DataBackups");
//../../DataBackups,指在web页面根目录往上两级的DataBackups文件夹
System.Web.HttpContext.Current.Server.MapPath("../../DataBackups");