public double getBalance(string accountNumber, int startDay, int endDay )
{
double ret = 0;
Account actAccount = this.findAccountByAccountNumber(accountNumber);
if (actAccount != null)
{
Transaction[] tmpTransactions = new Transaction[TransactionTrunk.MAX_TRANSACTION];
int tmpTranNum = 0;
for (int i = 0; i < this.actTransaction; i++)
{
if (this.transactions[i].BaseAccount.Equals(actAccount))
{
if (this.transactions[i].Day >= startDay)
{
if (this.transactions[i].Day <= endDay)
{
ret += this.transactions[i].getValue();
}
}
}
}
}
return ret;
}
private void addTransaction( Transaction transaction )
{
if (this.actTransaction < TransactionTrunk.MAX_TRANSACTION)
{
this.transactions[this.actTransaction++] = transaction;
}
}