public ActivityComplete(Activity activity, IEnumerable <Registration> registrations, Society society) { this.Society = society; this.Registrations = registrations; this.Activity_date = activity.Activity_date; this.Description = activity.Description; this.Fk_student = activity.Fk_student; this.Id_activity = activity.Id_activity; this.Title = activity.Title; this.Deleted = activity.Deleted; }