public IActionResult AssignClub(CoachClubInputVM model) { for (var i = 0; i < model.Ids.Count(); i++) { var coachesClubs = new CoachClub { CoachId = model.CoachId, ClubId = model.Ids[i] }; _dataCoachClub.Add(coachesClubs); } return(RedirectToAction(nameof(Index))); }