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How to change current field values in a series of records

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    How to change current field values in a series of records

    I want to program a button on a form that contains a browse. The form is based on a single table so I shouldn't need a cursor.
    The button should change the value in the field that the user is currently in, to the value of a character variable VAR->VarChar4 and then move to the next record and do the same thing.

    The code below is where I am now... it works (sort of) insofar as it changes a specified field ()... but I want it to change the contents of the field that the user is currently in:
    :frmhairresultsinspect:tables:hair6_sc.sb = VAR->VarChar4 'hair6_sc.sb is my problem ... I want to change the field that the user is currently in... not hair6_sc.sb

    How can I get the fieldname of the current field and place it in this line?

    'Conditional code follows. Executes only if the condition expression is True.
    IF a5_eval_expression("=Recordsselected.value > 30",local_variables()) THEN
    'Displays a message box (style:'OK Button', image: 'Stop symbol', id: 'CannotDo').
    DIM SHARED CannotDo_result as N
    DIM SHARED CannotDo_OK_Button as L
    CannotDo_OK_Button = .F.

    title_var = "YOU CANNOT CHANGE THE RESULTS FOR MORE THAN 30 SAMPLES!!!"
    message_text_var = <<%text%
    YOU CANNOT CHANGE THE RESULTS FOR MORE THAN 30 SAMPLES!!!
    Please use the Query Genie to select a smaller set of records.
    %text%
    CannotDo_result=ui_msg_box(title_var,message_text_var,UI_OK+ UI_FIRST_BUTTON_DEFAULT+ UI_STOP_SYMBOL)
    'Test to see which button on the message box was pressed....
    SELECT
    CASE CannotDo_result = UI_OK_SELECTED
    CannotDo_OK_Button= .t.
    END SELECT
    END IF

    'Conditional code follows. Executes only if the condition expression is True.
    IF a5_eval_expression("=Recordsselected.value > 30",local_variables()) THEN
    'End the current script
    END

    END IF

    'Insert label into script: 'NextRecord'.
    NEXTRECORD:

    'Allow editing of records in current form at parent level.
    topparent.allow_change(.t.)

    :FrmHairResultsInspect.allow_change(.F.)
    :FrmHairResultsInspect:CONTROL_BROWSE1.allow_change(.T.)
    :FrmHairResultsInspect:Tables:hair6_sc.change_begin(HONOR_FIELD_RULES)
    :frmhairresultsinspect:tables:hair6_sc.sb = VAR->VarChar4 'hair6_sc.sb is my problem ... I want to change the field that the user is currently in
    :FrmHairResultsInspect:Tables:hair6_sc.change_end(.t.)

    'Save record in current form at parent level.
    topparent.commit()

    'Go to next record in current form at parent level.
    topparent.fetch_next()

    'Conditional code follows. Executes only if the condition expression is True.
    IF a5_eval_expression("=.not. eof()",local_variables()) THEN
    'If condition '.NOT. eof()' is True, then jump to label in script: 'NextRecord'.
    'The a5_eval_expression() function evaluates the expression in the context of the currently open form.
    'This allows you to use field names from the form's tables in the expression.
    if a5_eval_expression("=.NOT. eof()") then
    GOTO NEXTRECORD
    end if

    END IF

    #2
    Re: How to change current field values in a series of records

    David,
    I am not quite following you. Are you suggesting that the user will change the value of a field in the record in focus, then move focus to the next record and wish to change the value of a field different from the field in the previous record?
    Mike W
    __________________________
    "I rebel in at least small things to express to the world that I have not completely surrendered"

    Comment


      #3
      Re: How to change current field values in a series of records

      Originally posted by Mike Wilson View Post
      David,
      I am not quite following you. Are you suggesting that the user will change the value of a field in the record in focus, then move focus to the next record and wish to change the value of a field different from the field in the previous record?
      Thanks for getting back to ma...
      The user will enter a value in a field (VAR->varchar4) then execute a query to select the records to be changed.... then place the cursor in the first record in the column/field that is to be changed... the user then clicks on the button and Alpha places the value in varchar4 in the selected field of every record in the query. The problem is... I don't know which field that the user will select to be changed.. it could be any field displayed in the embedded browse. I need code that places the field name in a variable so that I can specify that this is the target field for the contents of varchar4.

      Comment


        #4
        Re: How to change current field values in a series of records

        Hi David,
        The key is to get the field that the user has selected and use that to direct what field is being changed. The code you delivered is all Alpha scripting working through form objects to change table values. It is so much better to work at the table level and then have your form objects present what has happened at the table level. What does not exist in the code you gave is the name of the table the browse is based upon. I have attached a small example app based upon a table "sample" that I believe exemplifies the performance you desire. Maybe you can garner some help from that.
        Attached Files
        Mike W
        __________________________
        "I rebel in at least small things to express to the world that I have not completely surrendered"

        Comment


          #5
          Re: How to change current field values in a series of records

          Thanks Mike !!!
          That is exactly what I need.

          I really appreciate your help!..

          David

          Comment


            #6
            Hi Mike,
            I am getting an invalid file error in the new forum - can you upload the zip again? I always like to see your work!
            Robin

            Discernment is not needed in things that differ, but in those things that appear to be the same. - Miles Sanford

            Comment


              #7
              Hi Robin,
              Are you still not able to download the sample.zip? I hope you can because I frankly can't figure out how to upload a file on this new message board. Not a fan whatsoever. I believe the quick link to "subscribed threads" is gone also. Big loss for me.
              Mike W
              __________________________
              "I rebel in at least small things to express to the world that I have not completely surrendered"

              Comment

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