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[Solved] Problem with QSetting

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  • S Offline
    S Offline
    stevenceuppens
    wrote on last edited by
    #6

    did you check the typo in

    QString address = obSettings.value(" Serever ","").toString();

    Steven CEUPPENS
    Developer / Architect
    Mobile: +32 479 65 93 10

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    • ? Offline
      ? Offline
      A Former User
      wrote on last edited by
      #7

      Yes I have a mistake in mytype server ... serever no server.

      but does not work again :(

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      • ? Offline
        ? Offline
        A Former User
        wrote on last edited by
        #8

        This is my code see again please :

        @
        QSettings obSettings("database.ini", QSettings::IniFormat);
        obSettings.beginGroup("General");
        QString server = obSettings.value("Server", "").toString();
        obSettings.endGroup();

        qDebug() << "Server = " << server;
        @

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #9

          Where is database.ini located ?

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          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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          • ? Offline
            ? Offline
            A Former User
            wrote on last edited by
            #10

            [quote author="SGaist" date="1398287969"]Where is database.ini located ?[/quote]

            No specific path !

            I can write into this ini file with below code :

            QSettings settings("database.ini", QSettings::IniFormat);
            settings.setValue("Server", "192.168.1.1");

            but for read.... I don't know why doesn't work.

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            • SGaistS Offline
              SGaistS Offline
              SGaist
              Lifetime Qt Champion
              wrote on last edited by
              #11

              Just a wild idea:

              try with foo in place of General for the group name

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              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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              • ? Offline
                ? Offline
                A Former User
                wrote on last edited by
                #12

                [quote author="SGaist" date="1398288372"]Just a wild idea:

                try with foo in place of General for the group name [/quote]

                Can you show me with example ? :)

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                • SGaistS Offline
                  SGaistS Offline
                  SGaist
                  Lifetime Qt Champion
                  wrote on last edited by
                  #13

                  Before that, just saw something:

                  @
                  QSettings settings(“database.ini”, QSettings::IniFormat); settings.setValue(“Server”, “192.168.1.1”);
                  @

                  You don't begin the group, is that a missing line ?

                  Interested in AI ? www.idiap.ch
                  Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                  • ? Offline
                    ? Offline
                    A Former User
                    wrote on last edited by
                    #14

                    [quote author="SGaist" date="1398289288"]Before that, just saw something:

                    @
                    QSettings settings(“database.ini”, QSettings::IniFormat); settings.setValue(“Server”, “192.168.1.1”);
                    @

                    You don't begin the group, is that a missing line ?[/quote]

                    but this is not for Read from ini file ! I don't have problem with setValue :)
                    My main problem is reading from file :(

                    You just show me how can I read from ini file , maybe I have a little mistake.
                    Of course my ini file content is :

                    [General]
                    Server=192.168.1.1

                    Why I can't read 192.168.1.1 from server!?

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                    • SGaistS Offline
                      SGaistS Offline
                      SGaist
                      Lifetime Qt Champion
                      wrote on last edited by
                      #15

                      The thing is: your writing to the init file and your reading must match.
                      Using :

                      @
                      QSettings settings(“database.ini”, QSettings::IniFormat); settings.setValue(“Server”, “192.168.1.1”);
                      @

                      to write, then you must use

                      @
                      QSettings settings(“database.ini”, QSettings::IniFormat);
                      QString server = settings.value(“Server”, “”).toString();
                      @

                      to read it back

                      [edit: corrected my code]

                      Interested in AI ? www.idiap.ch
                      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                      • ? Offline
                        ? Offline
                        A Former User
                        wrote on last edited by
                        #16

                        No ! error... in QString server = settings.value(“Server”, “”);

                        I changed it to below format with QVariant

                        @
                        QSettings settings("database.ini", QSettings::IniFormat);
                        QVariant server = settings.value("Server", "");

                        qDebug() << "Server = " << server.toString();
                        @

                        Result is :

                        Server = "192.168.1.1"

                        Good work :)
                        Thank you very much. ;)

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                        • SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #17

                          You're welcome !

                          Since you have your settings working now, please update the thread title prepending [solved] so other forum users may know a solution has been found :)

                          Interested in AI ? www.idiap.ch
                          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                          • ? Offline
                            ? Offline
                            A Former User
                            wrote on last edited by
                            #18

                            Yes of course !
                            title is changed :)

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