//Quan ly thuoc
private void btnAddMedicine_Click(object sender, RoutedEventArgs e)
{
AddMedicine addMedicine = new AddMedicine(null);
addMedicine.ShowDialog();
List <FullMedicine> listMedicine = DataManager.getInstance().getAllMedicine();
medicineDataGrid.DataContext = listMedicine;
}
private void btnEditMedicine_Click(object sender, RoutedEventArgs e)
{
FullMedicine medicine = medicineDataGrid.SelectedItem as FullMedicine;
AddMedicine addMedicine = new AddMedicine(medicine);
addMedicine.ShowDialog();
List <FullMedicine> listMedicine = DataManager.getInstance().getAllMedicine();
medicineDataGrid.DataContext = listMedicine;
}