public string EditAdminUsers(AdminUserViewModel model)
        {
            if (ModelState.IsValid)
            {
                model.Login    = model.Login.Trim();
                model.Position = model.Position.Trim();
                var    adminUserViewModelDto = Mapper.Map <DTOAdminUserViewModel>(model);
                string parametr;

                if (UserCompanyService.EditAdminUser(adminUserViewModelDto, out parametr))
                {
                    return(JsonConvert.SerializeObject(model));
                }
                return(JsonConvert.SerializeObject(parametr));
            }
            return(ErrorsUsers(ModelState));
        }