private void button8_Click(object sender, EventArgs e)
{
try
{
double reading1 = Double.Parse(textBox24.Text);
double reading2 = Double.Parse(textBox23.Text);
double estimatedReading;
DateTime date1 = DateTime.Parse(dateTimePicker1.Text);
DateTime date2 = DateTime.Parse(dateTimePicker2.Text);
DateTime dateEstimation = DateTime.Parse(dateTimePicker3.Text);
Estimation estimare = new Estimation(reading1, reading2, date1, date2, dateEstimation);
estimare.averageDayConsumption();
estimare.averageDayConsumptionAtReset();
estimare.dateReset();
if (estimare.averageDayConsumption() < 0) // if a meter reset exists and it resets at value 99999
{
if (((estimare.dateReset() - dateEstimation).TotalDays) < ((dateEstimation - date1).TotalDays)) // estimate date after meter reset date
{
estimatedReading = 99999 - (estimare.dateReset() - dateEstimation).TotalDays * estimare.averageDayConsumptionAtReset();
if (estimatedReading > 99999)
{
label45.Text = (estimatedReading - 99999).ToString();
label46.Text = (estimare.averageDayConsumptionAtReset() * 365).ToString();
label47.Text = estimare.dateReset().ToShortDateString();
}
else
{
label45.Text = String.Format("{0:0.00}", estimatedReading);
label46.Text = String.Format("{0:0.00}", (estimare.averageDayConsumptionAtReset() * 365));
label47.Text = estimare.dateReset().ToShortDateString();
}
}
else if (((estimare.dateReset() - dateEstimation).TotalDays) > ((dateEstimation - date1).TotalDays)) // estimate date before meter reset
{
estimatedReading = 99999 - (estimare.dateReset() - dateEstimation).TotalDays * estimare.averageDayConsumptionAtReset();
if (estimatedReading > 99999)
{
label45.Text = String.Format("{0:0.00}", (estimatedReading - 99999));
label46.Text = String.Format("{0:0.00}", (estimare.averageDayConsumptionAtReset() * 365));
label47.Text = estimare.dateReset().ToShortDateString();
}
else
{
label45.Text = String.Format("{0:0.00}", estimatedReading);
label46.Text = String.Format("{0:0.00}", (estimare.averageDayConsumptionAtReset() * 365));
label47.Text = estimare.dateReset().ToShortDateString();
}
}
}
else // when there is no meter reset
{
if (((dateEstimation - date2).TotalDays) < ((dateEstimation - date1).TotalDays))
{
estimatedReading = reading2 + ((dateEstimation - date2).TotalDays) * estimare.averageDayConsumption();
label45.Text = String.Format("{0:0.00}", estimatedReading);
label46.Text = String.Format("{0:0.00}", (estimare.averageDayConsumption() * 365));
}
else if (((dateEstimation - date2).TotalDays) > ((dateEstimation - date1).TotalDays))
{
estimatedReading = reading1 - ((date1 - dateEstimation).TotalDays) * estimare.averageDayConsumption();
label45.Text = String.Format("{0:0.00}", estimatedReading);
label46.Text = String.Format("{0:0.00}", (estimare.averageDayConsumption() * 365));
}
else if (((date2 - dateEstimation).TotalDays) < ((dateEstimation - date1).TotalDays))
{
estimatedReading = reading2 - ((date2 - dateEstimation).TotalDays) * estimare.averageDayConsumption();
label45.Text = String.Format("{0:0.00}", estimatedReading);
label46.Text = String.Format("{0:0.00}", (estimare.averageDayConsumption() * 365));
}
else if (((date2 - dateEstimation).TotalDays) > ((dateEstimation - date1).TotalDays))
{
estimatedReading = reading1 + ((dateEstimation - date1).TotalDays) * estimare.averageDayConsumption();
label45.Text = String.Format("{0:0.00}", estimatedReading);
label46.Text = String.Format("{0:0.00}", (estimare.averageDayConsumption() * 365));
}
}
}
catch (FormatException)
{
MessageBox.Show("You must enter numbers only! Please try again!");
}
}