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List and DBF

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  • List and DBF

    I know i have posted on this before, but could not find the previous posts.
    Do Lists work fully with DBF files.
    I have a typical list, with automatically generated detail section, however using the save button updates the list, but the syncronize button does not update the dbf.
    Anyone have an updatable list using a dbf?
    Thanks
    Terry

  • #2
    About a year ago I did some testing of a disconnected app using dbf files. It worked fine but I had to create a connection string using an ODBC driver. DavidK had a post explaining how to set it up the ODBC connection. I can't seem to find it right now but I'm sure it's still in the message board.
    Alpha 5 Version 11
    AA Build 2999, Build 4269, Current Build
    DBF's and MySql
    Desktop, Web on the Desktop and WEB

    Ron Anusiewicz

    Comment


    • #3
      I've attached the UX component and DBF I used to test using DBF's in a disconnected app. I just briefly tried it and it still appears to work. The connection string is in the list properties.
      Attached Files
      Alpha 5 Version 11
      AA Build 2999, Build 4269, Current Build
      DBF's and MySql
      Desktop, Web on the Desktop and WEB

      Ron Anusiewicz

      Comment


      • #4
        I was not even looking at a disconnect app, but I will have a look.
        thanks

        Comment


        • #5
          Terry, under Data Source Type, I just noticed that the DBF option has information entered. These parameters can be ignored as the table doesn't even exist. The connection string is set up using a SQL Data Source. Please let me know how you make out and if you need to make any changes. Thanks
          Alpha 5 Version 11
          AA Build 2999, Build 4269, Current Build
          DBF's and MySql
          Desktop, Web on the Desktop and WEB

          Ron Anusiewicz

          Comment


          • #6
            Hi Terry, I apologize for so many replies. My memory isn't as good as it use to be. DavidK's post had all the steps to get the connections string correct. I've attached a png to help you along. The Data Source is DBF. You then need to click on "Edit". Select DBF. Next click on "Configure". Under version select dBase 5.0. Lastly, you need to click on "Select Directory" and point to the location of your data files. I just noticed there is a button named "Select Indexes". I didn't do anything with that button but maybe I should have.

            One last thing. Under Options, I checked Show Deleted Rows.
            Attached Files
            Last edited by Ronald Anusiewicz; 04-04-2021, 11:43 AM.
            Alpha 5 Version 11
            AA Build 2999, Build 4269, Current Build
            DBF's and MySql
            Desktop, Web on the Desktop and WEB

            Ron Anusiewicz

            Comment


            • #7
              I followed through the instructions, but also required a new mapped drive.
              Connection is shown as success and I can select the table, however it does not show any fields to select in the field list.
              Thanks
              Terry

              Comment


              • #8
                I've seen where the field names were missing once. Not sure what I did but it's working now. I'm using Build 2999. I just tried it in the latest stable build and the fields are visible there too. Did you try the example with the data file I sent you?
                Alpha 5 Version 11
                AA Build 2999, Build 4269, Current Build
                DBF's and MySql
                Desktop, Web on the Desktop and WEB

                Ron Anusiewicz

                Comment


                • #9
                  I am on latest stable build.
                  Still to try the example so that will be next

                  Comment


                  • #10
                    Your example seems to work.
                    So went back to the configuration & thought that to get the the of fields I would first need to set the SQL select statement, but when trying to do this i get the following error:-
                    ODBCError.PNG
                    Thanks
                    Terry

                    Comment


                    • #11
                      Found this:

                      https://support.microsoft.com/en-us/...7-7f4d2a298f12
                      Alpha 5 Version 11
                      AA Build 2999, Build 4269, Current Build
                      DBF's and MySql
                      Desktop, Web on the Desktop and WEB

                      Ron Anusiewicz

                      Comment


                      • #12
                        I have read the article, but my table & field names are 18 characters
                        I will try another test table with some shorter names, similar to your test, to see if that helps
                        thanks

                        Comment


                        • #13
                          I have tested this & it seems the ODBC method you have described only works if the Filename & Fieldnames are all 10 characters or less.
                          Unfortunately the table I am trying to use is too entrenched in our desktop environment to change, although I may be able to do this over time.
                          The link that you sent no longer has the fixes available as this was some time ago, so its surprising that they are not already in the usual windows patches or is it that these files that need updating are in Alpha?
                          If you can help on the patches, that would be great, otherwise its a long term project for me.
                          Thanks
                          Terry

                          Comment


                          • #14
                            I just tried this myself and I agree, the file name has to be 10 characters or less. I tried some other choices but nothing I tried would work. I Googled your error message which led me to the link I posted. Hopefully someone else can offer a solution but for now, it looks like the filename must be no longer than 10 characters.
                            Alpha 5 Version 11
                            AA Build 2999, Build 4269, Current Build
                            DBF's and MySql
                            Desktop, Web on the Desktop and WEB

                            Ron Anusiewicz

                            Comment


                            • #15
                              Selwyn has sent an explanation that the long names used in Alpha are dealt with, within Alpha ddd files so there is no odbc update to help here.
                              I am working round this now by using some xbasic functions to update the dbf records
                              thanks

                              Comment

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