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);
 }