topic read line in Application Development and Automation Discussions

read line

Former Member — Thu, 30 Aug 2007 12:26:15 GMT

what is the pupose and syntaX of the command read line,what is the differenec between 'read line' and 'hide' .

Re: read line

Former Member — Thu, 30 Aug 2007 12:32:35 GMT

<a href="http://help.sap.com/saphelp_nw2004s/helpdata/en/9f/dba42335c111d1829f0000e829fbfe/content.htm">refer this link</a>

and

regards,

srinivas

Re: read line

Former Member — Thu, 30 Aug 2007 12:32:46 GMT

Hi,

in intractive report

Hide holds the value of double clicked line item

whereas read line holds the line number of the clicked line item.

if we have an internal table like this

11 a

21 b

31 c

41 d

51 e

if i am clicking in 3rd line

hide is 31

read line is 3.

please reward me if helpful.

Re: read line

Former Member — Thu, 30 Aug 2007 13:04:09 GMT

Read '..Extras..' result.

This statement assigns the content of a row stored in the list buffer to the system field sy-lisel, and allows other target fields to be specified in result. In addition, all values for this row stored with HIDE are assigned to the respective variables.

HIDE dobj.

This statement stores the content of a variable dobj together with the current list line whose line number is contained in sy-linno in the hide area of the current list level.

Hide Area: Area in the list buffer, to which global variables can be stored for every row of a screen list using the statement HIDE.

Reward if useful,

Ankur

Re: read line

Former Member — Thu, 30 Aug 2007 13:07:17 GMT

HIDE

The HIDE keyword is used to store data objects and their values so they can be made available when the User selects a report line. When a line is selected, the fields that were hidden are filled with the values that you hid for that line.

The user selects a line for which

data has been stored in the HIDE

area. The runtime system evaluates

field SY-LILLI to determine the

selected line.

The runtime system jumps to the

point in the HIDE area where data

for this line is stored.

The runtime system then inserts all

values stored for the selected line in

the HIDE area into their

corresponding fields.

The runtime system processes the

event AT LINE-SELECTION and

its corresponding program

processing block.

A detail list is created.

READ LINE

Use the statements READ LINE and READ CURRENT LINE to read data from the lines of existing list levels. These statements are closely connected to the HIDE technique.

Example...........

REPORT demo_list_hide NO STANDARD PAGE HEADING.

TABLES: spfli, sbook.

DATA: num TYPE i,

dat TYPE d.

START-OF-SELECTION.

num = 0.

SET PF-STATUS 'FLIGHT'.

GET spfli.

num = num + 1.

WRITE: / spfli-carrid, spfli-connid,

spfli-cityfrom, spfli-cityto.

HIDE: spfli-carrid, spfli-connid, num.

END-OF-SELECTION.

CLEAR num.

TOP-OF-PAGE.

WRITE 'List of Flights'.

ULINE.

WRITE 'CA CONN FROM TO'.

ULINE.

TOP-OF-PAGE DURING LINE-SELECTION.

CASE sy-pfkey.

WHEN 'BOOKING'.

WRITE sy-lisel.

ULINE.

WHEN 'WIND'.

WRITE: 'Booking', sbook-bookid,

/ 'Date ', sbook-fldate.

ULINE.

ENDCASE.

AT USER-COMMAND.

CASE sy-ucomm.

WHEN 'SELE'.

IF num NE 0.

SET PF-STATUS 'BOOKING'.

CLEAR dat.

SELECT * FROM sbook WHERE carrid = spfli-carrid

AND connid = spfli-connid.

IF sbook-fldate NE dat.

dat = sbook-fldate.

SKIP.

WRITE / sbook-fldate.

POSITION 16.

ELSE.

NEW-LINE.

POSITION 16.

ENDIF.

WRITE sbook-bookid.

HIDE: sbook-bookid, sbook-fldate, sbook-custtype,

sbook-smoker, sbook-luggweight, sbook-class.

ENDSELECT.

IF sy-subrc NE 0.

WRITE / 'No bookings for this flight'.

ENDIF.

num = 0.

CLEAR sbook-bookid.

ENDIF.

WHEN 'INFO'.

IF NOT sbook-bookid IS INITIAL.

SET PF-STATUS 'WIND'.

SET TITLEBAR 'BKI'.

WINDOW STARTING AT 30 5 ENDING AT 60 10.

WRITE: 'Customer type :', sbook-custtype,

/ 'Smoker :', sbook-smoker,

/ 'Luggage weight :', sbook-luggweight UNIT 'KG',

/ 'Class :', sbook-class.

ENDIF.

ENDCASE.

Regards,

Pavan