alvoops

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ALV USING OOPS

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Instance for the ALV Grid Control

This instance is defined with reference to class cl_gui_alv_grid

data <name of reference variable> type ref to cl_gui_alv_grid.

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As a minimum, you must provide the following two types

of information for displaying the data:

An internal table with the data to be displayed, called the output

table

A description of the structure of this data that is declared to the ALV

Grid Control through the fi eld catalog or through the correspondingstructure of the Data Dictionary.

Generally, the output table contains data that you

previously selected from database tables.

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Steps :

Create an instance of the ALV Grid Control andintegrate it into a screen.

Select the data to be displayed and pass it together

with a description of the fields to the instance.

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1. Declare reference variables for the ALV Grid Control

and the container. In addition, declare an internal table

that you fill with selected data later on:

DATA:

grid TYPE REF TO cl_gui_alv_grid,

g_cust_container TYPE REF TO cl_gui_custom_container ,

t_kna1 TYPE TABLE OF kna1.

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2. In the main program,

SELECT * FROM KNA1 INTO TABLE T_KNA1.

CALL SCREEN 100.

3. Create the screen 100. On the layout, paint a

custom container and name it as

³CCONTAINER´.Provide an Exit Button on the layout.

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In the Flow Logic : Call a module in PBO and another

module in PAI. In the program, in the PBO Module :

IF G_CUSTOM_CONTAINER IS INITIAL.

CREATE OBJECT G_CUSTOM_CONTAINER

EXPORTING CONTAINER_NAME = 'CCONTAINER'.

CREATE OBJECT GRID

EXPORTING I_PARENT = G_CUSTOM_CONTAINER.

CALL METHOD GRID->SET_TABLE_FOR_FIRST_DISPLAY

EXPORTING I_ STRUCTURE_NAME = 'KNA1'

CHANGING IT_OUTTAB = T_KNA1.

ENDIF.

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in the PAI Module :

IF SY-UCOMM = µE¶.

LEAVE PROGRAM.

ENDIF.

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