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Cannot move or modify the Field '' in the same 'PageExtension' that you added

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Posted on by MJ-27012000-0

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I had the following code in a Page Extension that was just fine a version or so ago but am now getting the Warning Cannot move or modify the Field 'Net Weight' in the same 'PageExtension' that you added. This warning will become an error in a future release.

How do I resolve this?

Thanks!

                field("Net Weight"; rec."Net Weight")
                {
                    ApplicationArea = All;
                    Caption = 'Net Weight';
                    ToolTip = 'Enter Net Weight';
                }
        Modify("Net Weight")
        {
            Trigger OnAfterValidate()
            var
            // NetSH: record "Sales Header";
                NetSL: record "Sales Line";
            begin
                NetSL.reset();
                //NetSL.SetRange("No.", rec."No.");
                NetSL.SetRange("Document Type", rec."Document Type");
                NetSL.SetRange("Document No.", rec."No.");
                If NetSL.FindSet() then
                    repeat
                        if NetSL.Type = NetSL.Type::Item then begin
                            NetSL.Quantity := (rec."Net Weight");
                            NetSL.Modify(true);
                            CurrPage.Update();
                        end;
                    until NetSL.Next() = 0;
            end;
        }

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André Arnaud de Cal... 300,228 Super User 2025 Season 2 on at

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Cannot move or modify the Field '' in the same 'PageExtension' that you added

The code pattern indicates the AL language. Moved the question from the Dynamics 365 general to the Dynamics 365 Business central forum.

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Teddy Herryanto (Th... 14,261 Super User 2025 Season 2 on at

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Cannot move or modify the Field '' in the same 'PageExtension' that you added

You can put the trigger inside the field. there is no need to separate it.

field("Net Weight"; rec."Net Weight")
{
ApplicationArea = All;
Caption = 'Net Weight';
ToolTip = 'Enter Net Weight';

Trigger OnAfterValidate()
var
// NetSH: record "Sales Header";
NetSL: record "Sales Line";

begin
NetSL.reset();
//NetSL.SetRange("No.", rec."No.");
NetSL.SetRange("Document Type", rec."Document Type");
NetSL.SetRange("Document No.", rec."No.");
If NetSL.FindSet() then
repeat
if NetSL.Type = NetSL.Type::Item then begin
NetSL.Quantity := (rec."Net Weight");
NetSL.Modify(true);
CurrPage.Update();
end;
until NetSL.Next() = 0;
end;

}

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YUN ZHU 94,375 Super User 2025 Season 2 on at

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Cannot move or modify the Field '' in the same 'PageExtension' that you added

Teddy is right. Since "Net Weight" is a new field you added to the page, you don't need to use the Modify keyword. You can just add it to the trigger in the field.
In addition, it is recommended to add it to the trigger of the table so that it will take effect even when it is not on this page.

Hope this helps as well.

Thanks.

ZHU

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MJ-27012000-0 105 on at

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Cannot move or modify the Field '' in the same 'PageExtension' that you added

The OnAfterValidaate Trigger is not a valid trigger when I move the code to the field. Would OnValidate be the correct trigger?

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Suresh Kulla 50,241 Super User 2025 Season 2 on at

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Cannot move or modify the Field '' in the same 'PageExtension' that you added

Just use the trigger OnValidate in the field, something like below

field("Net Weight"; rec."Net Weight")

{

ApplicationArea = All;

Caption = 'Net Weight';

ToolTip = 'Enter Net Weight';

trigger OnAfterValidate()

var

// NetSH: record "Sales Header";

NetSL: record "Sales Line";

begin

NetSL.reset();

//NetSL.SetRange("No.", rec."No.");

NetSL.SetRange("Document Type", rec."Document Type");

NetSL.SetRange("Document No.", rec."No.");

If NetSL.FindSet() then

repeat

if NetSL.Type = NetSL.Type::Item then begin

NetSL.Quantity := (rec."Net Weight");

NetSL.Modify(true);

CurrPage.Update();

end;

until NetSL.Next() = 0;

end;

}

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YUN ZHU 94,375 Super User 2025 Season 2 on at

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Cannot move or modify the Field '' in the same 'PageExtension' that you added

Just a simple correction:

field("Net Weight"; rec."Net Weight") { ApplicationArea = All; Caption = 'Net Weight'; ToolTip = 'Enter Net Weight'; trigger OnValidate() var // NetSH: record "Sales Header"; NetSL: record "Sales Line"; begin NetSL.reset(); //NetSL.SetRange("No.", rec."No."); NetSL.SetRange("Document Type", rec."Document Type"); NetSL.SetRange("Document No.", rec."No."); If NetSL.FindSet() then repeat if NetSL.Type = NetSL.Type::Item then begin NetSL.Quantity := (rec."Net Weight"); NetSL.Modify(true); CurrPage.Update(); end; until NetSL.Next() = 0; end; }

Thanks.

ZHU

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Khushbu Rajvi. 20,145 Super User 2025 Season 2 on at

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Cannot move or modify the Field '' in the same 'PageExtension' that you added

Agree with the previous responses, Have you tried changes and check?

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Vahid Ghafarpour 11,997 Super User 2025 Season 2 on at

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Cannot move or modify the Field '' in the same 'PageExtension' that you added

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