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Because datasnap loses connection to the client application FireMonkey? What is better? TCP or HTTP?

Comments

  1. Philippe BoucaultOctober 21, 2015 at 3:05 PM

    Flávio Elorza Rodrigues Alves Error 10054 means for the "raiser" that the other side has closed abnormally the connection on its end, (own code, OS, firewall or router intervention). May be a timeout somewhere ?

    On the client side or the server side ?

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  2. Flávio AlvesOctober 21, 2015 at 4:15 PM

    I found solution:
    Server rest: 
    function TServerMethods1.ComReflet(): TFDJSONDataSets;
    begin
      // Clear active so that query will reexecute.
      GetListaDeCartoes.Active := False;
       // Create dataset list
      Result := TFDJSONDataSets.Create;
       // Add departments dataset
      TFDJSONDataSetsWriter.ListAdd(Result, 'cartoes', GetListaDeCartoes);
    end;

    Client Side:
    procedure TForm1.Button2Click(Sender: TObject);
    var
      DSList: TFDJSONDataSets;
      i:integer;
    begin
      FDMemTable1.Close;
      DSList := ClientModule1.ServerMethods1Client.ComReflet;
      FDMemTable1.AppendData(
          TFDJSONDataSetsReader.GetListValue(DSList, 0));
      FDMemTable1.Open;
      for I :=0 to FDMemTable1.FieldCount-1 do
      begin
          FDMemTable1.Fields[i].DisplayName;

      end;
    end;

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  3. Flávio AlvesOctober 23, 2015 at 3:03 AM

    Hi all
    I found solution (I do not know if the best). In a 10 minute interval the client application performs any method in order to stay connected.

    ReplyDelete

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