public override string ToString()
{
StringBuilder sb = new StringBuilder($"{Id}");
sb.Append($"{DinnerName}");
sb.Append($"{StartTime.ToString()}");
sb.Append($"{PrepTime.ToString()}");
sb.Append($"{NumOfRounds}");
sb.Append($"{Parallel}");
sb.Append($"{Participants.Count}");
sb.Append($"{Rounds.Count}");
return(sb.ToString());
}
