public string CreateAdminUsersInCompany(string id, Guid IdCompany) { if (id != null) { Guid[] idUsers = JsonConvert.DeserializeObject <Guid[]>(id); var newAdminUsersInCompany = UserCompanyService.CreateAdminUsersInCompany(idUsers, IdCompany); if (newAdminUsersInCompany != null) { return(JsonConvert.SerializeObject(newAdminUsersInCompany)); } } return(null); }