//Quan ly cach dung
private void btnAddUseMedicine_Click(object sender, RoutedEventArgs e)
{
AddUseMedicine addUse = new AddUseMedicine(null);
addUse.ShowDialog();
List <UserMedicine> listUse = DataManager.getInstance().getAllUseMedicine();
useMedicineDataGrid.DataContext = listUse;
}
private void btnEditUseMedicine_Click(object sender, RoutedEventArgs e)
{
UserMedicine use = useMedicineDataGrid.SelectedItem as UserMedicine;
AddUseMedicine addUse = new AddUseMedicine(use);
addUse.ShowDialog();
List <UserMedicine> listUse = DataManager.getInstance().getAllUseMedicine();
useMedicineDataGrid.DataContext = listUse;
}