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Thread: firedac problem with master/detail cached update and schemaadapter


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Conceito Tecnol...

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Registered: 1/1/16
firedac problem with master/detail cached update and schemaadapter  
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  Posted: Dec 22, 2016 10:28 PM
Hi guys,

In the sample project "SampleDataSnapFireDAC_Client.dpr" in "Object Pascal \ DataSnap \ FireDAC" that comes in the Delphi 10 Seattle, I added two buttons on the unit "ClientUnit.pas". The first button makes an insert and the second delete in the query mtOrders, however in the Post Updates, in the server an exception is raised FireDAC [DatS] -16. Can not process - no parent. Restriction [ForeingnKeyConstraint]. Has anyone had this problem to help me find a solution?

code in the buttons:

procedure TClientForm.AddClick(Sender: TObject);
begin
DataModuleFDClient.mtOrders.Append;
end;

procedure TClientForm.DeleteClick(Sender: TObject);
begin
DataModuleFDClient.mtOrders.Delete;
end;


Thanks a lot,

Adeildo Silva

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