public static OrderDishList Create()
{
if (odl == null || odl.IsDisposed)
{
odl = new OrderDishList();
}
return(odl);
}
private void btnShowOrderDish_Click(object sender, EventArgs e)
{
OrderDishList odl = OrderDishList.Create();
//给他餐桌编号，才能查询出已点菜品
odl.Tag = tableId;
odl.Show();
odl.Focus();
}
