public static void deleteroom() { if (HttpContext.Current.Session["Type"].ToString().ToLower().Equals("admin")) { myDAL obj = new myDAL(); DataTable set = obj.singlepics(id).Tables[0]; foreach (DataRow item in set.Rows) { System.IO.File.Delete(HttpRuntime.AppDomainAppPath + "/" + item["pic"].ToString()); } obj.deleteroom(id); } }