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Corrupt Form?

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    Corrupt Form?

    I have an application that has a set and 3 underlying tables. I created a form based on the set and it has been working fine for about a year. Today, each time the form is entered and any task on it is started, it locks up the program. A Ctl-Alt-Del shows Alpha 5 is "Not Responding". Other forms, reports, browses, and operations seem to work.
    How can I resolve the problem? I have been deleting buttons and fields on this form gradually trying to find the culprit with out any luck. ANY help would be greatly appreciated.
    Dave Jones

    #2
    RE: Corrupt Form?

    David,

    I would first try and determine that it is the form and not something else. I would open the default form and see if that has problems. If it does, I would suspect corrupt data or a corrupt index. Otherwise, I would copy the form, and start by removing � the objects on the form. If the form works fine, add back half of the removed objects, and keep removing and or adding back objects until you can tell which one it is.

    My main suspicion would be a calculated field or a variable.

    Good luck.

    Jay Talbott
    Jay Talbott
    Lexington, KY

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      #3
      RE: Corrupt Form?

      Jay,
      The default form and the other forms created on that set worked, as did the browses which indicated to me it was the form and not the data. I did as you suggested using smaller percentages of objects on the form but the same concept. I tested the form after each move. I copied ALL of the objects on the form that would not work to a new one - no changes in any of the objects was made except that a 1 character variable was recreated on the new form. Now this re-constituted form works fine. Thanks. Have you any ideas how this occurred or where the problem could be? Could it have been my 1 character variable?
      Thanks again
      Dave Jones

      Comment


        #4
        RE: Corrupt Form?

        Dave,

        Be sure to compact the database after any changes. It does sound like the form was corrupted, which would indicate that the set data dictionary files were damaged in some way. All of the form designs are saved in the data dictionaries. If you have a backup from a time where everything in the set worked, copy the set, sem, and sex files from the backup to the working directory (a set only has data dictionaries, since all data is in the tables). This would restore the form to an original condition. If the form was based on a table, copy the ddd, ddm, and ddx files which are the table data dictionaries.

        As for the problem being the form variable, if the table lost the variable definition, this would cause an error message, but should not lockup the program. However, if you have defined another variable with the same name somewhere else and that variable is active, that could cause a problem.

        Jerry

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