/**
  * Método para crear nuevo registro
  */
 public static void insert(users user)
 {
     using (var conn = new db_entities()) {
         try {
             conn.SP_USER_INSERT(user.name, user.email, user.password, user.rol_id, user.unit_id,
                                 DateTime.Now, 1);
         } catch (Exception e) {
             throw e;
         }
     }
 }