private void HandleNegativeButtonClick(object sender, DialogClickEventArgs e)
{
var dialog = (AlertDialog)sender;
using (var db = new ExpenseManager())
{
db.DeleteItem(expense);
}
if (expense.CategoryId == 1 && expense.Date.Month == DateTime.Today.Month)
{
float bills = Application.Context.GetSharedPreferences
("MyNumbers", FileCreationMode.Private).GetFloat("EstBills", 0);
float estBills = bills + (float)expense.Amount;
Application.Context.GetSharedPreferences("MyNumbers", FileCreationMode.Private).
Edit().PutFloat("EstBills", estBills).Commit();
}
dialog.Dismiss();
}