private void ExecuteAddTarget(object parameter)
        {
            Target newTarget = new Target(shooter_id, stage_id, Byte.Parse(alpha),
                                          Byte.Parse(charlie), Byte.Parse(delta),
                                          Byte.Parse(miss), Byte.Parse(noShoot),
                                          Byte.Parse(procedure), Byte.Parse(extra));

            targetModel.AddTarget(newTarget);

            ClearInput();
            Targets = targetModel.GetTargets(Shooter_id, Stage_id).Convert();
        }