public virtual ActionResult DeleteSignature(long personelId)
        {
            try
            {
                var personel = _personManagementService.FindPersonel(personelId);
                if (personel == null)
                {
                    return(Json(new { isError = true, Message = @"ورودی نامعتبر!" }));
                }
                var addressUrlFile = new AddressUrlFile(Server.MapPath("~//"));
                var path           = addressUrlFile.Signature + personel.Signature;
                personel.Signature = "";
                var result = _personManagementService.UpdatePersonel(personel);
                if (!result.Item1)
                {
                    return(Json(new { isError = !result.Item1, Message = result.Item2 }));
                }

                if (System.IO.File.Exists(path))
                {
                    System.IO.File.Delete(path);
                }
                return(Json(new { isError = !result.Item1, Message = result.Item2 }));
            }
            catch (Exception)
            {
                return(Json(new { isError = true, Message = @"خطا در حذف تصویر" }));
            }
        }