private void SetAllNull()
 {
     _powerBall     = null;
     _lottoMax      = null;
     _lotto649      = null;
     _lottoSingles  = null;
     _lottoPairs    = null;
     _lottoTriplets = null;
     _lottoBonus    = null;
 }
 public void FullPowerBallLotteryClickHandler(String lottoJsonString)
 {
     SetAllNull();
     _powerBall = JsonConvert.DeserializeObject <PowerBallResultsModel>(lottoJsonString);
 }