private void BtnSendOrder_Click(object sender, EventArgs e)
{
order_service.SendOrder(currentUser.ID);
order_service.CreateNewOrder();
flowLayoutPanelMenuItems.Controls.Clear();
Label label = new Label();
label.Width = 200;
label.Text = "Order Sent!";
label.Font = titleFont;
flowLayoutPanelMenuItems.Controls.Add(label);
managerForm.NotifyScreens();
}