public btCHSTRAS_091_Item(btSHFUserLogin shfUserLogin, btSHFUnitPractice shfUnitPratice)
 {
     database = new btCHSTRAS_091_Database();
     bt = new btCHSTRAS_091_Base();
     userUnitIDs = bt.getUserUnitIDs(shfUserLogin, shfUnitPratice);
     startTime = DateTime.Now;
 }
 public btCHSTRAS_091_Unit(DateTime startTime, int totalNum, btSHFUserLogin shfUserLogin, btSHFUnitPractice shfUnitPratice)
 {
     bt = new btCHSTRAS_091_Base();
     time = new btCHSTRAS_091_Time();
     userUnitIDs = bt.getUserUnitIDs(shfUserLogin, shfUnitPratice);
     answerTime = time.getAnswerTime(startTime);
     this.startTime = startTime;
     this.totalNum = totalNum;
 }
 public btCHSTRAS_091_Unit(int totalNum, btSHFUserLogin shfUserLogin, btSHFUnitPractice shfUnitPratice)
 {
     this.shfUnitPratice = shfUnitPratice;
     this.shfUserLogin = shfUserLogin;
     bt = new btCHSTRAS_091_Base();
     time = new btCHSTRAS_091_Time();
     userUnitIDs = bt.getUserUnitIDs(shfUserLogin, shfUnitPratice);
     startTime = DateTime.Now;
     this.totalNum = totalNum;
     keyValues = new Hashtable();
 }