protected void ButtonDelete_Click(object sender, EventArgs e)
{
String filepath = HttpContext.Current.Server.MapPath(MortgageLogger.LOGPATH);
MortgageLogger.GenerateMortgageLogfile(filepath);
// Refresh the page.
Page.Response.Redirect(Page.Request.Url.ToString(), true);
}
protected void Page_Load(object sender, EventArgs e)
{
// If our interest rates are unpopulated
if (DropDownListInterestRate.Items.Count is 0)
{
double[] percents = GeneratePercents();
foreach (double d in percents)
{
DropDownListInterestRate.Items.Add(d.ToString());
}
}
if (RadioButtonListYears.SelectedItem != null &&
RadioButtonListYears.SelectedItem.Value is "other")
{
TextBoxYearsOther.Enabled = true;
}
else
{
TextBoxYearsOther.Enabled = false;
}
if (IsPostBack)
{
BulletedListProblems.Items.Clear();
double years = 0;
double principal = 0;
double interestrate = 0;
// Try to get the years.
if (RadioButtonListYears.SelectedItem != null)
{
// They've selected an 'other' year.
if (RadioButtonListYears.SelectedItem.Value is "other")
{
try
{
years = Double.Parse(TextBoxYearsOther.Text);
}
catch (FormatException)
{
BulletedListProblems.Items.Add("Years is an invalid number.");
}
}
else // They've selected a year from our radio buttons.
{
try
{
years = Double.Parse(RadioButtonListYears.SelectedItem.Value);
}
catch (FormatException)
{
BulletedListProblems.Items.Add("Years is an invalid number.");
}
}
}
else // They have not selected a radio button.
{
BulletedListProblems.Items.Add("No year selected.");
}
// Try to get the principal.
try
{
principal = Double.Parse(TextBoxPrinciple.Text);
}
catch (FormatException)
{
BulletedListProblems.Items.Add("Principle is an invalid number.");
}
// Try to get the interest rate.
try
{
interestrate = Double.Parse(DropDownListInterestRate.SelectedValue);
}
catch (FormatException)
{
BulletedListProblems.Items.Add("Interest rate is an invalid number.");
}
// If there are no problems
if (BulletedListProblems.Items.Count is 0)
{
double res = MortgageLib.MonthlyPayment(principal, interestrate, years);
String filepath = HttpContext.Current.Server.MapPath(MortgageLogger.LOGPATH);
// Seconds since UNIX epoch.
int secs = (int)((DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalSeconds);
// If logfile doesn't exist, make it!
if (!File.Exists(filepath))
{
MortgageLogger.GenerateMortgageLogfile(filepath);
}
// Log a single mortgage.
MortgageLogger.LogMortgage(filepath, secs, principal, interestrate, years);
string str = res.ToString("n2");
str = "$" + str;
TextBoxResult.Text = str;
}
else
{
TextBoxResult.Text = null;
}
}
else // Not postback.
{
}
}