public ChangeResult SaveLineup() { List <ITeamPlayerLineup> teamPlayerLineups = new List <ITeamPlayerLineup>(); int battingOrder = 0; foreach (var batter in Batters) { teamPlayerLineups.Add(new TeamPlayerLineupDto() { TeamId = TeamId, PlayerId = batter.PlayerId, BattingOrder = battingOrder }); battingOrder++; } return(TeamPlayerLineup.SetLineup(teamPlayerLineups)); }