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help with xbasic append PLEASE!!!

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    #1

    help with xbasic append PLEASE!!!

    I have a problem with append in Xbasic. I can create an append with the genie and it works fine but if I convert it to xbasic via the script recorder and then run the script I get a fields and expression must be equal error. The converted script is below. If I convert to high level script it works fine as well.

    a_tbl = table.current()
    append.t_db = "c:ted's autoted's auto archiveted's auto.dbf"
    append.m_key = ""
    append.t_key = ""
    append.m_filter = ""
    append.t_filter = "LHOURS1>0"
    append.type = "All"
    append.m_count = 5
    append.m_field1 = "Employee"
    append.m_exp1 = "Ted_S_Auto->Emp1"
    append.m_field2 = "Invocno"
    append.m_exp2 = "Ted_S_Auto->Invocno"
    append.m_field3 = "Lhours"
    append.m_exp3 = "Ted_S_Auto->Lhours1"
    append.m_field4 = "Datepaid"
    append.m_exp4 = "Ted_S_Auto->Datepaid"
    append.m_field5 = "Ldesc"
    append.m_exp5 = "Ted_S_Auto->Ldesc1"
    append.t_count = 0
    a_tbl.append()

    I tried all the things I could find on the message boards, changing line 1 to a_tbl = table.open("labor"), adding a @ to append.m_exp1 = "@ted_Auto->Emp1" and etc to the other append.m_exp lines. Still Same Error.

    debug shows the error happening on the last line a_tbl.append().

    tried redoing the append to only 1 field, same error. tried redoing to a different 1 field, same error.

    The transaction dbf has 50 or so fields, master has only 5. those 5 are identical to the 5 I am trying to append. 2 character, 2 num, and 1 date. they are the same type have the same width, and decimals etc.

    So what can I do next??? This is making me crazy!
    Tags: None
    #2
    RE: help with xbasic append PLEASE!!!

    Ronald,

    Assuming you are running the low level script from a form based on the table which is receiving the append records this should have been very easy. i.e. form is based on the master table.

    Here's an example which illustrates how high level and low level appends might be implemented in that situation.

    The low level script would have to be modified if it were running on a form that is *not* based on the master table.

    -- tom

    Comment

      #3
      RE: help with xbasic append PLEASE!!!

      Thanx Tom
      I finally solved the problem by creating a form based on the Labor.dbf and putting the button to run the script on that form. works fine from there, just won't work if called from another form. Guess I can get by with that solution

      Comment

        #4
        RE: help with xbasic append PLEASE!!!

        Ronald,

        the first line of your script creates a pointer to the 'current' table.

        a_tbl = table.current()


        If this script is in a form based on a different table than your master table, it will fail. why? because that form is not based on the master table. The function table.current() returns the pointer to the table on which current form is based... not a pointer to the table you want to append to.

        This is why the script works when you put it on a form based on the table to which records are being appended.

        The fix is often very easy.

        change

        a_tbl = table.current()


        to


        a_tbl = table.open("your master table name goes here")



        Then add a


        a_tbl.close() at the bottom of the script, just before it ends, but after the append is completed.


        -- tom

        Comment

          #5
          RE: help with xbasic append PLEASE!!!

          Hi ya,
          I did try what you suggested but it didn't work. Don't know why?

          Comment

            #6
            RE: help with xbasic append PLEASE!!!

            Ronald,

            I do it just like tom saya and it does work

            Dave
            Dave Mason
            [email protected]
            Skype is dave.mason46

            Comment

              #7
              RE: help with xbasic append PLEASE!!!

              "Hi ya, I did try what you suggested but it didn't work."

              Didn't work as in didn't do anything, or didn't work as in returned an error message?

              1. Check your spelling of the table name in the table.open("tablename") statement.

              2. Change the statement to reflect the complete path, table.open("c:\somedirectory\tablename.dbf") - if this works your "tablename" is in a different directory from the rest of your files.

              3. I would avoid the use of most punctuation in directory and file names, i.e. "ted's". This can really confuse a program trying to parse an expression. Single quotes inside double quotes are "looking for trouble" syntax. Avoid blank spaces between words in directory and file names, as well. Underscores are most often used if you must have character separation.
              There can be only one.

              Comment

                #8
                RE: help with xbasic append PLEASE!!!

                hi ya
                Didn't work as in returns the error message field types must match. Seems to be finding the table but does not like the field types unless I the button is on a form attached to the labor dbf. I don't understand it, just know it does work

                Ron

                Comment

                  #9
                  RE: help with xbasic append PLEASE!!!

                  Ron,

                  You may be running the append script from a form that is based on one or more of the tables from which records will be retrieved.

                  Those tables are opened by Alpha Five when the form opens.

                  Those tables get opened again by the Append function.

                  When the second instance of the tables is opened, Alpha Five gives the table a new alias, in order to keep that instance of the table separate from the instance which opened when the form opened. The alias is of course different from the table name, and the append function tries to use the tablename to identify the fields from which values are to be retrieved. Hence, Alpha Five can't see the fields and the append fails.

                  The solution would be to call the append script from a form that is not based on any of the transaction tables involved in the append.

                  -- tom

                  Comment

                    #10
                    RE: help with xbasic append PLEASE!!!

                    Folks
                    I gotta tell ya, Tom is a wizard. I understand what was happening now and loading the script from another form did indeed solve the problem. All I can say is thanks ever so much to all of you for the advice. I would never have solved the problem on my own.

                    Comment

                      #11
                      RE: help with xbasic append PLEASE!!!

                      Good call Tom.
                      John

                      Comment

                        #12
                        RE: help with xbasic append PLEASE!!!

                        Thanks, but no wizardry was involved. I just happened to have had a nasty encounter with the same issue some time ago and it left a 'vivid' impression. The solution was more a case of revisiting old battlegrounds, than any fresh 'new' insight.

                        The problem Ron was having issue is related to the behavior I often forget about while trying to open a set when one of its tables is already open. I've made myself go back and read the entire discussion of table.open() so many times, I can just about recite it verbatim... and I still manage to forget how the automatic aliasing works.

                        -- tom

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