private void button_Click(object sender, RoutedEventArgs e)
{
AddNightShiftType addNightShiftType = new AddNightShiftType();
addNightShiftType.mode = 1;
addNightShiftType.Show();
}
private void edit_Click(object sender, RoutedEventArgs e)
{
var x = ((NightShiftType)datagridview.SelectedItem);
AddNightShiftType addNightShiftType = new AddNightShiftType();
addNightShiftType.nightshifttypeid = x.NightShiftTypeID;
addNightShiftType.mode = 2;
addNightShiftType.Show();
}