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QT MySQL Databese connect fail

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mysqldatabaseqt5.9.2c++localhost
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  • E Offline
    E Offline
    ELEMENTICY
    wrote on 9 Mar 2021, 04:31 last edited by
    #1

    Hello i got 11 error on connecting to sql server
    Please help
    this is my code

    QSqlDatabase db = QSqlDatabase::addDatabase("QMYSQL");
        db.setHostName("localhost");
        db.setDatabaseName("mysql");
        db.setUserName("root");
        db.setPassword("rootPW");
        bool connected = db.open();
    

    and this is the error
    Capture.PNG
    i dont know why is this happening,please help me.Thanks

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    • C Offline
      C Offline
      Christian Ehrlicher
      Lifetime Qt Champion
      wrote on 9 Mar 2021, 05:14 last edited by
      #3

      You forgot to link against the QtSql library.

      Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
      Visit the Qt Academy at https://academy.qt.io/catalog

      E 1 Reply Last reply 9 Mar 2021, 05:22
      2
      • E Offline
        E Offline
        ELEMENTICY
        wrote on 9 Mar 2021, 05:00 last edited by
        #2

        oops,sorry.My version of qt is 6.0.1

        1 Reply Last reply
        0
        • C Offline
          C Offline
          Christian Ehrlicher
          Lifetime Qt Champion
          wrote on 9 Mar 2021, 05:14 last edited by
          #3

          You forgot to link against the QtSql library.

          Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
          Visit the Qt Academy at https://academy.qt.io/catalog

          E 1 Reply Last reply 9 Mar 2021, 05:22
          2
          • C Christian Ehrlicher
            9 Mar 2021, 05:14

            You forgot to link against the QtSql library.

            E Offline
            E Offline
            ELEMENTICY
            wrote on 9 Mar 2021, 05:22 last edited by
            #4

            @Christian-Ehrlicher yes,i just realize i forget to add sql to QT += core gui sql
            thanks for respone anyway

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            9 Mar 2021, 04:31

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