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Is it not possible to open M.S. access file?

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  • R Offline
    R Offline
    rockon209
    wrote on last edited by
    #6

    @hskoglund
    i tried absolute filepath also but i am getting the same error

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    0
    • hskoglundH Offline
      hskoglundH Offline
      hskoglund
      wrote on last edited by
      #7

      I see. Did you use double backslashes?

      1 Reply Last reply
      0
      • R Offline
        R Offline
        rockon209
        wrote on last edited by
        #8

        @hskoglund
        yes i tried with double backslashes and also with forward slashes. but same error

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        0
        • hskoglundH Offline
          hskoglundH Offline
          hskoglund
          wrote on last edited by
          #9

          Hmm, create a folder called MyFolder on your C: , copy your Database1.accdb file into it and try:

          db.setDatabaseName("Driver=Microsoft Access Driver (*.mdb, *.accdb); DBQ=C:\\MyFolder\\Database1.accdb;";
          1 Reply Last reply
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          • mrjjM Offline
            mrjjM Offline
            mrjj
            Lifetime Qt Champion
            wrote on last edited by
            #10

            Also, did you VERIFY that odbc is available and working ?
            https://www.isunshare.com/windows-10/5-ways-to-open-odbc-data-source-administrator-in-windows-10.html

            This might not be related to Qt at all.

            If you never worked with ODBC before, please study a bit
            http://www.dummies.com/programming/sql/how-to-use-odbc-to-access-sql-data/

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            • R Offline
              R Offline
              rockon209
              wrote on last edited by
              #11

              @hskoglund

              I tried what you suggested but getting the same error.

              @mrjj

              Yes the odbc is available and wroking.
              and i just access the the file locally not via any server my file is in the same computer where i am writing the code

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              0
              • hskoglundH Offline
                hskoglundH Offline
                hskoglund
                wrote on last edited by
                #12

                Hi, I googled a bit and found this thread

                So if you do not have Microsoft Office installed you need to download the driver for MS Access .accdb files

                Andy314A 1 Reply Last reply
                2
                • hskoglundH hskoglund

                  Hi, I googled a bit and found this thread

                  So if you do not have Microsoft Office installed you need to download the driver for MS Access .accdb files

                  Andy314A Offline
                  Andy314A Offline
                  Andy314
                  wrote on last edited by Andy314
                  #13

                  Indeed you must install the Access ODBC driver. The driver is independent from installed Office !
                  (Be aware Windows like to kill this driver after windows-update. So you must reinstall it sometimes.)

                  Then you must look in the ODBC tool from windows to find out the correct driver name. This is the correct for me (is not the same as you use):
                  "DRIVER={Microsoft Access Driver (*.mdb, *.accdb)};"

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                  • R Offline
                    R Offline
                    rockon209
                    wrote on last edited by
                    #14

                    @hskoglund

                    i already tried downloaded and intalled the drivers, even though i have M.S Office installed on my computer. But getting the same error.

                    Andy314A 1 Reply Last reply
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                    • R rockon209

                      @hskoglund

                      i already tried downloaded and intalled the drivers, even though i have M.S Office installed on my computer. But getting the same error.

                      Andy314A Offline
                      Andy314A Offline
                      Andy314
                      wrote on last edited by
                      #15

                      Hi @rockon209
                      which Qt Version do you use?

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                      • R Offline
                        R Offline
                        rockon209
                        wrote on last edited by
                        #16

                        @Andy314
                        I am using Qt 5.7.0

                        Andy314A 1 Reply Last reply
                        0
                        • R rockon209

                          @Andy314
                          I am using Qt 5.7.0

                          Andy314A Offline
                          Andy314A Offline
                          Andy314
                          wrote on last edited by Andy314
                          #17

                          Hi @rockon209
                          the QtCompany had the idea to do not distribute the binarys for the ODBC driver anymore. That was in Version 5.5 and 5.6 I think. I initiated a discussion about it. The result was that the driver should be integrated again. I dont know if this is in 5.7 really the case.

                          Look if you have in the path like C:\Qt2\5.6\msvc2015\plugins\sqldrivers
                          the qsqlodbc files.

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                          • R Offline
                            R Offline
                            rockon209
                            wrote on last edited by
                            #18

                            @Andy314

                            yes the file is present in the path.

                            Andy314A 1 Reply Last reply
                            0
                            • R rockon209

                              @Andy314

                              yes the file is present in the path.

                              Andy314A Offline
                              Andy314A Offline
                              Andy314
                              wrote on last edited by
                              #19

                              Hello @rockon209,
                              oh I am happy :-)

                              Now your Problem:
                              It must work ! I use it since 1 year.

                              We must find the error systhematic.
                              First you should try a connection via the windows Windows-ODBC tool.
                              I there is something wrong we must not look on Qt.

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                              0
                              • R Offline
                                R Offline
                                rockon209
                                wrote on last edited by
                                #20

                                @Andy314
                                How to do that bcoz i new to this database access. I dont know how it works. Could you help me?

                                Andy314A D 2 Replies Last reply
                                0
                                • R rockon209

                                  @Andy314
                                  How to do that bcoz i new to this database access. I dont know how it works. Could you help me?

                                  Andy314A Offline
                                  Andy314A Offline
                                  Andy314
                                  wrote on last edited by
                                  #21

                                  Hi @rockon209

                                  Search in Windows for "ODBC".
                                  Open the Program, dont know the english name. Something like "ODBC-Datasource 32-bit"
                                  Tabpage Drivers: Is there a entry like Microsoft Access Driver (*.mdb, *.accdb) ?

                                  more later...

                                  1 Reply Last reply
                                  0
                                  • R rockon209

                                    @Andy314
                                    How to do that bcoz i new to this database access. I dont know how it works. Could you help me?

                                    D Offline
                                    D Offline
                                    Devopia53
                                    wrote on last edited by Devopia53
                                    #22

                                    @rockon209

                                    Hi.

                                    Perhaps, you have a very minor problem.
                                    Compare the connection strings below.

                                    db.setDatabaseName("Driver={Microsoft Access Driver(*.mdb, *.accdb)}; DBQ=C:/MyFolder/Database1.accdb;"); // It's not OK!
                                    
                                    db.setDatabaseName("Driver={Microsoft Access Driver (*.mdb, *.accdb)}; DBQ=C:/MyFolder/Database1.accdb;"); // It's OK!
                                    

                                    The ODBC driver is installed by default on Windows.

                                    Andy314A 1 Reply Last reply
                                    1
                                    • R Offline
                                      R Offline
                                      rockon209
                                      wrote on last edited by
                                      #23

                                      @Andy314

                                      Yes entry is there in the Drivers Tab

                                      @Devopia53
                                      i tried it doest work same error again

                                      1 Reply Last reply
                                      0
                                      • D Devopia53

                                        @rockon209

                                        Hi.

                                        Perhaps, you have a very minor problem.
                                        Compare the connection strings below.

                                        db.setDatabaseName("Driver={Microsoft Access Driver(*.mdb, *.accdb)}; DBQ=C:/MyFolder/Database1.accdb;"); // It's not OK!
                                        
                                        db.setDatabaseName("Driver={Microsoft Access Driver (*.mdb, *.accdb)}; DBQ=C:/MyFolder/Database1.accdb;"); // It's OK!
                                        

                                        The ODBC driver is installed by default on Windows.

                                        Andy314A Offline
                                        Andy314A Offline
                                        Andy314
                                        wrote on last edited by
                                        #24

                                        Jup, use exactly the name shown in the ODBC tool !!!!!

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                                        0
                                        • R Offline
                                          R Offline
                                          rockon209
                                          wrote on last edited by
                                          #25

                                          ok thank you very much guys it worked i was not using the proper syntax.
                                          Thank you very much.

                                          Andy314A 1 Reply Last reply
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