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'Unable to cast object of type 'PX.Objects.PO.POOrder' to type 'PX.Data.PXResult`2[PX.Objects.PO.POOrder,PX.Objects.PO.POLine]'.'

  • 1 March 2023
  • 8 replies
  • 428 views
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Hi,

I’m new to acumatica. I have a customized screen. There is a button with an action which opens a pop-up window. In this pop-up window I have loaded data from both POOrder DAC and POLine DAC. To load data , I created a view using SelectFrom attribute .But when I try to add data from the pop-up window to the grid of my customized form, I’m getting below error.

 'Unable to cast object of type 'PX.Objects.PO.POOrder' to type 'PX.Data.PXResult`2[PX.Objects.PO.POOrder,PX.Objects.PO.POLine]'.

 

Can someone help me to solve this issue please?

Thank you.

see the below code for reference.


namespace GRIProformaInvoice.Extension
{

    public class APProformaEntry_Extension : PXGraphExtension<APProformaEntry>
    {


        public SelectFrom<POOrder>.InnerJoin<POLine>.
            On<POLine.orderNbr.IsEqual<POOrder.orderNbr>>.View POrdersView;


        public PXAction<APProforma> MyAction;
        [PXUIField(DisplayName = "Add Purchase", MapEnableRights = PXCacheRights.Select, MapViewRights = PXCacheRights.Select)]
        [PXButton(CommitChanges = true)]
        public virtual IEnumerable myAction(PXAdapter adapter)
        {

            if (POrdersView.AskExt() == WebDialogResult.OK)
                {


                    return InsertSelectedLines(adapter);


                }
                return adapter.Get();


        }

        public virtual IEnumerable InsertSelectedLines(PXAdapter adapter)
        {
            if (POrdersView != null && POrdersView.Cache.Cached != null)
            {
                int lineNbr = Base.APProformaItems.Select().Count + 1;

                foreach (PXResult<POOrder, POLine> result in POrdersView.Cache.Cached)
                {
                    POOrder order = result.GetItem<POOrder>();
                    POLine line = result.GetItem<POLine>();

                    APProformaItemList toBeInserted = new APProformaItemList();
                    toBeInserted.Ponbr = "aa";
                    toBeInserted.LineNbr = lineNbr++;

                    toBeInserted.POrderQty = 30;
                    toBeInserted.Itemid = 25;
                    toBeInserted.Description = line.TranDesc;

                    toBeInserted = Base.APProformaItems.Insert(toBeInserted);
                    Base.APProformaItems.Update(toBeInserted);


                }
            }
            return adapter.Get();

        }


    }


 

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Best answer by oshadarodrigo64 23 March 2023, 15:02

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8 replies

Naveen Boga
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Hi @oshadarodrigo64  Can you please try like below example with the PXResult?

 

 foreach (PXResult<SOShipment, SOShipLine, SOLine> record in results)
    {
        SOShipment shipment = (SOShipment)record;
        SOShipLine shipmentLine = (SOShipLine)record;
        SOLine sOLine = (SOLine)record;
}
Naveen B
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Hi @Naveen Boga ,

Thank you for the response, I tried your solution but still I’m getting the same error.

Patrick Chen
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Hey @oshadarodrigo64  Try the following 

foreach (var record in POrdersView.Cache.Cached)

{

var POOrder = result.RowCast<POOrder>().First();

var POLine = result.RowCast<POLine>().First();

...

}

aaghaei
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You missing a join in your public view POrdersView on OrderType. Not sure but could be the problem.

Reza Aghaei CPA, M. Acc. & Acumatica Customization - If a member helped you, please *Like* their post. If a member provided an answer to your question, please mark it as *Best Answer*.
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Hi @Patrick Chen , @aaghaei 

I tried the following way to avoid the error and it worked for me.

          if (POrdersView != null)
            {
                int lineNbr = Base.APProformaItems.Select().Count + 1;

                foreach (PXResult<POOrder, POLine> result in POrdersView.Select())
                {
                     POOrder order = result;
                    POLine line = result;


                    if (order.Selected == false) continue;

                    {
                        APProformaItemList toBeInserted = new APProformaItemList();
                        toBeInserted.Ponbr = "aa";
                        toBeInserted.LineNbr = lineNbr++;
                        toBeInserted.POLineNbr = line.LineNbr;
                        toBeInserted.POrderQty = 30;
                        toBeInserted.Itemid = 25;
                        toBeInserted = Base.APProformaItems.Insert(toBeInserted);
                        Base.APProformaItems.Update(toBeInserted);

                    }
                }


but now the issue is when I select one value from orderNbr and clicked add button, it inserts all the values from the same orderNbr instead of one selected item. However, when I open the smart panel again, I can see that all the values from same orderNbr have been selected automatically like below.

 How can I solve this?

Thank you.

Naveen Boga
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Userlevel 7
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@oshadarodrigo64  Not sure why it is inserting the duplicate values, as a safety check if same Order existing in that table write an update query instead insert query, so that you can avoid the duplicate values from the above list.

Naveen B
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Hi,

The above cast object of type error is gone after defining the view like below.

 

public SelectFrom<POLine>

          .InnerJoin<POOrder>.On<POLine.orderNbr.IsEqual<POOrder.orderNbr> 

          .And<POLine.orderType.IsEqual<POOrder.orderType>>>

          .View POrdersView;

 

and also credit goes to @aaghaei to mentioning this.

Regards.

Chris Hackett
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Thank you for sharing the solution with the community @oshadarodrigo64 !

Chris ~ Let us know how we're doing: https://forms.office.com/r/xmJUdZ1QE5 - A member helped you, please *Like* their post. A member provided an answer to your question, please mark it as *Best Answer*.

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