void CheckSortingButton(ButtonView target)
 {
     if (target.Equals(startTimeButton))
     {
         Sort_OnChange(SortType.StartTime, target);
     }
     if (target.Equals(registerDeadlineButton))
     {
         Sort_OnChange(SortType.RegisterDeadline, target);
     }
     if (target.Equals(buyInButton))
     {
         Sort_OnChange(SortType.BuyIn, target);
     }
     if (target.Equals(playersButton))
     {
         Sort_OnChange(SortType.Players, target);
     }
 }