How to display items with pk/fk relationship not equal to each other

I want to show that the values of the same field are not equal to each other
In forms, how can I write below:
If :blockB.chk_bx = 'N' then
:blockA.rec_id <> :blockB.rec_id;
also tried :blockA.rec_id != :blockB.rec_id; but get error message. Assume I cannot use the inequality sign.
The rec_id in blockname A and B have a pk/fk relationship.
Please help.

I'm sorry i didn't understand your requirement.
I want to show that the values of the same field are not equal to each otherSo you have an item in block A and an item in block B and you want to indicate that the value for these two items are different? How do you want to indicate that? Do you want to mark the field with some color? Do you want to have a checkbox next to it?
In forms, how can I write below
If :blockB.chk_bx = 'N' then
:blockA.rec_id !=:blockB.rec_id;I assumed the != in the statement for its missing in your post. What do you expect the statement to do? Your statement is a comparison outside an IF or CASE-statement, maybe you want to do some
IF :blockA.rec_id !=:blockB.rec_id THEN
dosomestuff;
END IF;
The rec_id in blockname A and B have a pk/fk relationshipSo, did you connect the two block with a relation in forms? If yes, the values in the two blocks should always match.
Perhaps cou could give some details about your requirement.

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<Added code tags>
Moderator Message: Please use the "code" tags to format your code snippet.
Edited by: Suhas Saha on Nov 17, 2011 11:19 AM

shawnTan wrote:
Hi All,
>
> Would like so to seek for you advice on the above mention topic. How to display the data with the same text and key using function module 'VRM_SET_VALUES'. From my testing by writing a program, this function module will only show the text and key if both have different data. Please find the coding as below. Is the normal behaviour of this function module? How to overcome this problem? Thanks in advance.
>
>
REPORT ZTESTING.
>
> TYPE-POOLS: VRM.
>
> DATA: NAME TYPE VRM_ID,
>       LIST TYPE VRM_VALUES,
>       VALUE LIKE LINE OF LIST,
>       c(20) type c.
>
> *      c = 'select any'.
>
> data:begin of itab occurs 0,
>       kunnr like kna1-kunnr,
>       name1 like kna1-name1,
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>
> data:begin of jtab occurs 0,
>       kunnr like kna1-kunnr,
>       land1 like kna1-land1,
>      end of jtab.
>
> PARAMETERS: p_list(20) AS LISTBOX VISIBLE LENGTH 20
>                           default 'SELECT'.
>
> AT SELECTION-SCREEN OUTPUT.
>
> NAME = 'p_list'.
>
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> VALUE-TEXT = 'Name'.    "--> Data for text is the same with key
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>
> VALUE-KEY = '2'.
> VALUE-TEXT = 'Country'.
> APPEND VALUE TO LIST.
>
> CALL FUNCTION 'VRM_SET_VALUES' EXPORTING ID = NAME VALUES = LIST.
>
> start-of-selection.
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> select kunnr land1 up to 20 rows from kna1 into table jtab.
>
> case p_list.
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> loop at itab.
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> endloop.
>
> when '2'.
> loop at jtab.
> write:/ jtab-kunnr,jtab-land1.
> endloop.
> endcase.
>
> <Added code tags>
>
> Moderator Message: Please use the "code" tags to format your code snippet.
>
> Edited by: Suhas Saha on Nov 17, 2011 11:19 AM
This surely seems to be a bug to me(if not by design), did you check for any SAP notes? Perhaps a front end trace can help(Note 407743) !
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