private void drgvDrink_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
            OrderServiceGUI frmOrder = new OrderServiceGUI();

            frmOrder.ShowDialog();
        }
        private void picOrderEventHandler(object sender, EventArgs e)
        {
            OrderServiceGUI frmOrder = new OrderServiceGUI();

            frmOrder.ShowDialog();
        }