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populate data in a UX field

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    populate data in a UX field

    I need help populating an autonumber in a ticket number field on a UX when the user opens the form. My SQL2005 table is auto identity and after the record is submitted it generates a number , but I want that number to show in the field when I open the form to enter the record.

    #2
    Re: populate data in a UX field

    With SQL Server tables you have to insert (save) a new record first of all, before the new identity number is actually generated.

    (the opposite of MS-Access tables which shows the new identity number before the record is saved)


    One way to do this would be make your UX unbound, and when the UX opens (e.g. on InitializeComplete),
    first run an AJAX callback to run some XBasic code which executes a Stored Procedure which in turn inserts a new row into your SQL Server table and returns the identity number,
    and then load that same newly inserted row into the unbound UX (which will show the identity number),
    by using the Action Javascript "Populate controls in an UNBOUND UX component..."

    then after the user has entered data, and saving the record, use the Action Javascript "Update, Insert or Delete data (for use with an UNBOUND component...)"

    In your InitializeComplete you would probably also want to use "Run actions synchronously" (for the Insert new record to generate Identity function, followed by the load unbound UX function)
    or alternatively A5.executeThisThenThat
    with your javascript functions http://msgboard.alphasoftware.com/al...d.php?110895#5

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      #3
      Re: populate data in a UX field

      What happens if the user decides to abandon the new data entry? Or the connection is lost after insertion of the identity?
      A new record with just an identity but nothing else in it. Not so good. For all practical purposes no one needs to see that identity number, you should be the one manipulating and using it. Better control for you. What ever the reason you need the id number that can be retrieved AFTER insertion and used by you for other purposes.
      thanks for reading

      gandhi

      version 11 3381 - 4096
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      http://www.alphawebprogramming.blogspot.com
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