Move through the records

Hi,
Can anybody give me the code to move through the records (one after the other) in Module pool programing. Assuming that I have a pushbutton, whenever i click on that button (assume button labeled as Next) it should move to the next record and to be displayed in the input/output field.
Thanks,
Sriram.

Hi Sriram
I think you aren't using a table control, are you?
You should use a index where you save the number of the index of record which is displayed.
DATA: INDEX_SHOW TYPE SY-TABIX.
I suppose that this index is 1 in the first time, after:
CASE OK_CODE.
WHEN 'NEXT'.
 INDEX_SHOW = INDEX_SHOW + 1.
 READ TABLE MY_TABLE INDEX INDEX-SHOW.
 MOVE MY_TABLE TO <SCREEN FIELD>.
WHEN 'PREV'.
 INDEX_SHOW = INDEX_SHOW - 1.
 IF INDEX_SHOW = 0.
 INDEX_SHOW = 1.
 ENDIF.
 READ TABLE MY_TABLE INDEX INDEX-SHOW.
 MOVE MY_TABLE TO <SCREEN FIELD>.
You can use a index where you save the total number of records in your table:
DATA: INDEX_SHOW TYPE SY-TABIX,
 TOT_REC TYPE SY-TABIX.
DESCRIBE TABLE MY_TABLE LINES TOT_REC.
I suppose that this index is 1 in the first time, after:
CASE OK_CODE.
WHEN 'NEXT'.
 INDEX_SHOW = INDEX_SHOW + 1.
So now you can check if INDEX_SHOW isn't greater than
TOT_REC.
 IF INDEX_SHOW > TOT_REC.
 INDEX_SHOW = TOT_REC.
 ENDIF.
 READ TABLE MY_TABLE INDEX INDEX-SHOW.
 MOVE MY_TABLE TO <SCREEN FIELD>.
WHEN 'PREV'.
 INDEX_SHOW = INDEX_SHOW - 1.
 IF INDEX_SHOW = 0.
 INDEX_SHOW = 1.
 ENDIF.
 READ TABLE MY_TABLE INDEX INDEX-SHOW.
 MOVE MY_TABLE TO <SCREEN FIELD>.

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