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The process cannot access the file because it is b

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    #1

    The process cannot access the file because it is b

    Hello everybody,

    It's a really nice day but I can't get out into my garden because this problem is DRIVING ME MAD!

    The message, "The process cannot access the file because it is being used by another process" is familiar to many, judging by a search of the message board. Try as I might, though, I can't track down what is causing it in part of a payroll system I am working on. I would be very, very grateful for any help you can give me, probably by telling me what a stupid and obvious mistake I have made.

    I've zipped up a small subset of the application. Please open the database called "database". This should ask you for a password. Type "test" (no quotes).

    You now have an empty screen, with File, Utilities and Help as drop-down menus.

    Click File and then click Employees. This will take you to a form for maintaining employee records. Don't do anything for now.

    Click the Close button (bottom right). Now, from the drop-down File menu, select Weekly processing, then View pay records (there are no other options as I've removed them). In the dialog-type box, accept the default date and click Continue. This will take you to a form called Pay records. Just click the Close button (bottom right) as before, then Close the dialog box.

    OK. Now repeat the above, but when you are in the first (employee maintenance) form, click the little arrow graphic which is at the very top-right of the form, next to where it says Displaying current. Pressing this displays All employee records, including those who have now left this employment.

    Now go back to the drop-down and select Weekly processing then View pay records and then the Continue button. It is here that I get the error. The difference is that, in the Employee maintenance form clicking the little arrow graphic re-indexes and filters the EMPLOYEE table. Everything else works perfectly. A second attempt to access the Pay records form usually works.

    If you click the Help drop-down you can click Debug to go to the Control Panel. The employee maintenance form is called empMaint. You can look at my code attached to the "little arrow" there. The dialog-type box (where you input the date) and the Pay records form are called weeklyGetDate and weeklyCalc, respectively.

    I'd be really grateful for any suggestions.

    Thanks in advance,

    Martin.
    Tags: None
    #2
    RE: The process cannot access the file because it

    Martin,

    Are you using A5V4.5 (Build 266) ?

    -- tom

    Comment

      #3
      RE: The process cannot access the file because it

      Using Build 266 I cannot run any of the key scripts through the debugger. Sorry, can't help you.

      -- tom

      Comment

        #4
        RE: The process cannot access the file because it

        Martin,

        I am sorry for the multiple posts. Your button that toggles between Display Current and Display All runs a script that does something I would never ever do. It creates a new filtered index. In the same situation I would simply run or release a query.

        I suggest you verify that this portion of your script is working correctly. To do this kind of thing I believe the script has to get exclusive read/write privileges on the table being indexed. If it's open anywhere (the current form?) the script will fail, but may still be hanging...

        Can't verify these ideas here, but thought I'd mention them.

        -- tom

        Comment

          #5
          RE: The process cannot access the file because it

          Thanks, Tom. The reindex actually replaced a query, which had an identical error (and, originally, used the file exclusively). I've tried various things to overcome this, the app. as posted was after many changes. Perhaps I'd better go back to basics and start over again. (This app. will only ever be single-user so exclusive, or otherwise, use is not a problem.)

          Maybe I'll leave it 'till Monday...

          Best wishes, and thanks for your time,

          Martin.

          Comment

            #6
            RE: The process cannot access the file because it

            What build or version of Alpha Five v4 are you using?

            -- tom

            Comment

              #7
              RE: The process cannot access the file because it

              Relaxing weekend seemed to cure it! I went back, refreshed, and stripped out all the changes, etc., and found that I had a conflict between an index and a query. I should have learnt by now that too much code causes more problems than not enough. But it was you mentioning queries and indexes which led me straight to it.

              Apologies for taking up your time, and, once again, very many thanks, Tom.

              Martin.
              (4.5 build 266, by the way.)

              Comment

                #8
                RE: The process cannot access the file because it

                Great! I'm glad you have it sorted.

                -- tom

                Comment

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