SAP READ_FORM_LINES Function Module for Form creation: Read contents of a text element

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READ_FORM_LINES is a standard read form lines SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Form creation: Read contents of a text element processing and below is the pattern details for this FM, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.

See here to view full function module documentation and code listing for read form lines FM, simply by entering the name READ_FORM_LINES into the relevant SAP transaction such as SE37 or SE38.

Function Group: STXC
Program Name: SAPLSTXC
Main Program: SAPLSTXC
Appliation area:
Release date: 20-Jan-1995
Mode(Normal, Remote etc): Normal Function Module
Update:

Function READ_FORM_LINES pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.

CALL FUNCTION 'READ_FORM_LINES'"Form creation: Read contents of a text element
  EXPORTING
*  ELEMENT = ' ' "Text element
*  FORM = ' ' "Form
*  LANGUAGE = ' ' "Language
*  WINDOW = 'MAIN' "Window

TABLES
   LINES =  "Text lines of text element

EXCEPTIONS
   ELEMENT = 1    FORM = 2    UNOPENED = 3 

.

IMPORTING Parameters details for READ_FORM_LINES

ELEMENT - Text element

Data type:
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

FORM - Form

Data type:
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

LANGUAGE - Language

Data type:
Default: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)

WINDOW - Window

Data type:
Default: 'MAIN'
Optional: Yes
Call by Reference: No ( called with pass by value option)

TABLES Parameters details for READ_FORM_LINES

LINES - Text lines of text element

Data type: TLINE
Optional: No
Call by Reference: No ( called with pass by value option)

EXCEPTIONS details

ELEMENT - Text element

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

FORM - Form

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

UNOPENED - Form output has not been opened

Data type:
Optional: No
Call by Reference: No ( called with pass by value option)

Copy and paste ABAP code example for READ_FORM_LINES Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.

ABAP code using 7.40 inline data declarations to call FM READ_FORM_LINES

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

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