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Data going into wrong record

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  • Data going into wrong record

    Hi All,

    Here is a little quicky.

    I'm running an autoexec and want to fill only the first record with a value in two fields. I've done something wrong and it is creating 2 records and I dont want it to.

    Help please.
    Regards
    Keith Hubert
    Alpha Guild Member
    London.
    KHDB Management Systems
    Skype = keith.hubert


    For your day-to-day Needs, you Need an Alpha Database!

  • #2
    Re: Data going into wrong record

    Hi Keith

    Changed two lines near the bottom to
    tbl.change_begin()
    tbl.change_end(.t.)

    and that seems to have resolved it?

    Regards

    Glen

    ---


    IF lookup("key","recno()=1","date") = {} THEN
    dim tbl as p
    tbl=table.open("key")
    tbl.enter_begin()
    tbl.Date=date()
    tbl.enter_end(.t.)
    'Run script locally (using local variables): message_1
    else
    script_play_local("message_1")
    END IF

    if lookup("key","recno()=1","Licence_no")=0 then
    dim global x as n
    dim a as c
    dim y as n
    a= api_getmachinename()
    for i = 1 to len(a)
    y=asc(substr(a,i,1))
    x=x+y
    next i
    x=x+jdate(date())
    dim tbl as p
    tbl=table.open("key")
    tbl.change_begin()
    tbl.licence_no=x
    tbl.change_end(.t.)

    end if
    Glen Schild



    My Blog

    Comment


    • #3
      Re: Data going into wrong record

      Keith, Glen's advice is spot on. Your script enters two records if both DATE and LICENSE_NO fields are empty.

      Your script would be more efficient if it only opened the "KEY" table once. You open it four times. Once each for the two lookup() functions, and once to update the DATE field and once to update the License_no field.

      Why not abandon the lookup() function approach altogether.

      In pseudo code:

      Code:
      open the table
      set primary index to record number
      get count of records
      if zero then enter a new record and populate the DATE and LICENSE_NO fields
      If non-zero, then fetch the first record and
            if date field is blank populate it 
            if license_no field is 0 populate it
      close the table
      I'm having trouble seeing why you need to ENTER any records at all, once the first record is present.

      Am I missing something here?

      Comment


      • #4
        Re: Data going into wrong record

        Thanks guys, I said this was a quicky. I was close though.

        Tom,

        This was just the start of a logon that I want to create for an app I'm developing.

        If after the lookups to the table (which will end up with more fields) and the fields do have values then I will make different dialog boxes open.

        You are probably right with your suggestion and I will try and develop with it. Although, I might need your help further.
        Regards
        Keith Hubert
        Alpha Guild Member
        London.
        KHDB Management Systems
        Skype = keith.hubert


        For your day-to-day Needs, you Need an Alpha Database!

        Comment

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