private async void Delete_Click(Object sender, RoutedEventArgs e)
{
FrameworkElement fe = sender as FrameworkElement;
if (fe != null)
{
Transaction t = fe.DataContext as Transaction;
if (t != null)
{
TransactionViewModel.transaction = t;
TransactionViewModel.Delete();
MessageDialog md = new MessageDialog("Transaction Deleted!");
await md.ShowAsync();
}
}
}