private async void Add_Click(object sender, RoutedEventArgs e)
{
TransactionViewModel.transaction = new Transaction();
AddTransactionDialog md = new AddTransactionDialog(TransactionViewModel);
MessageDialog a = new MessageDialog("Transaction Created!");
await md.ShowAsync();
}
private void AddTransactionButton_Click(object sender, RoutedEventArgs e)
{
AddTransactionDialog addTransactionDialog = new AddTransactionDialog();
addTransactionDialog.ShowAsync();
}