What you will need are:

• A Graph Extension containing an action, its method, and a public view that will be used as the key for your smart panel.
• A SmartPanel in your page referencing the public view you have declared in your graph plus a grid and embodied controls of the grid.
• Configure the CallBack command on the page and where you want to place the button and Call the SmartPanel from Action in your graph.

This is a piece of customization that if you are not familiar with coding and have not taken the customizations courses of Acumatica, I am afraid won't be possible to make work by asking random questions on community. It will need a day(s) of work depending on the competency and familiarity of the person who is going to work on it.

Hi Jeewani,

As per the Aaghaei, you need graph extension, smart panel and callback command for placing the Add order button. You can refer below piece of code that we had used for similar task for one of our client. It may shed some light...

Action for the graph extension..

  public PXAction<MyDac > addOrder;

        �PXUIField(DisplayName = "Add Order", MapEnableRights = PXCacheRights.Select, MapViewRights = PXCacheRights.Select)]

        �PXLookupButton]

        public virtual IEnumerable AddOrder(PXAdapter adapter)

        {

                orderList.AskExt();

            return adapter.Get();

        }

code to call Smart Panel “cmdOrderList” from the new action button in aspx file.

    <ActionBar>

                            <CustomItems>

                                <px:PXToolBarButton Text="Add Order" Key="cmdOrderList">

                                    <AutoCallBack Command="AddOrder" Target="ds">

                                        <Behavior PostData="Page" CommitChanges="True" />

                                    </AutoCallBack>

                                </px:PXToolBarButton>

                            </CustomItems>

        </ActionBar>

Hope this helps!

Regards,

Greytrix