private void btnAddPat_Click(object sender, RoutedEventArgs e)
{
GlobalVars.PatientToEdit = null;
Window w = new PatientsCardCreate();
w.ShowDialog();
btnRefreshPat_Click(sender, e);
}
private void btnEditPat_Click(object sender, RoutedEventArgs e)
{
GlobalVars.PatientToEdit = GlobalVars.PatientsList[dgPat.SelectedIndex];
Window w = new PatientsCardCreate();
w.ShowDialog();
btnRefreshPat_Click(sender, e);
}