private void Application_Startup(object sender, StartupEventArgs e)
{
//get the data from storage
_expenses = MyStorage.ReadXML <ObservableCollection <Expense> >("Expenses.xml");
if (_expenses == null)
{
_expenses = new ObservableCollection <Expense>();
// _expenses = Generateexpenses(20);
}
ObservableCollection <string> uniqueDates = new ObservableCollection <string>();
foreach (Expense ex in _expenses)
{
if (uniqueDates.IndexOf(ex.Datetime) < 0)
{
uniqueDates.Add(ex.Datetime);
}
}
ObservableCollection <TotalAmount> amountList = new ObservableCollection <TotalAmount>();;
for (int i = 0; i < uniqueDates.Count(); i++)
{
double toAm = 0.0;
for (int j = 0; j < _expenses.Count(); j++)
{
if (uniqueDates[i] == _expenses[j].Datetime.ToString())
{
toAm += _expenses[j].Amount;
}
}
amountList.Add(new TotalAmount {
CurrentDate = uniqueDates[i], Amount = toAm
});
}
_uniqueDates = uniqueDates;
_DatesTotalAmount = amountList;
}
private void Application_Exit(object sender, ExitEventArgs e)
{
MyStorage.WriteXml <ObservableCollection <Expense> >(_expenses, "Expenses.xml");
}