how to create report using classess

[Former Member]

hi all ,

how to create report using classess

plz post som examples

i want to do everything using classes

like selection of data

display of data

plz guide me .

rthnx in advance

[Former Member]

hi check this...

1.

REPORT YSUBDEL LINE-SIZE 120.

CLASS parentclass DEFINITION .

PUBLIC SECTION.

DATA : commondata(30) type c value 'Accessible to all'.

METHODS : SHOWVAL.

PROTECTED SECTION.

DATA : protectdata(40) type c value 'Protected data'.

private section.

data : privatedata(30) type c value 'Private data'.

ENDCLASS.

CLASS parentclass IMPLEMENTATION.

METHOD : SHOWVAL.

write:/5 'All data from parentclass shown:-'.

write:/ sy-uline.

WRITE:/5 COMMONDATA,

/5 PROTECTDATA,

/5 PRIVATEDATA.

endmethod.

endclass.

CLASS childclass DEFINITION INHERITING FROM parentclass.

PUBLIC SECTION .

METHODS : subval.

ENDCLASS.

CLASS childclass IMPLEMENTATION.

method : subval.

skip 1.

write:/5 'Data of parent shown from child-'.

write:/5 sy-uline.

WRITE:/5 COMMONDATA,

/5 PROTECTDATA.

Commondata = 'Public data changed in subclass'.

Protectdata = 'Protected data changed in subclass'.

write:/5 sy-uline.

WRITE:/5 COMMONDATA,

/5 PROTECTDATA.

endmethod.

endclass.

START-OF-SELECTION.

DATA : parent type ref to parentclass ,

child type ref to childclass .

create object : parent ,

child .

call method : parent->showval ,

child->subval.

skip 2.

• parent->commondata = ‘User changing public data’.

write:/5 parent->commondata.

progarm2

REPORT YSUBDEL1 LINE-SIZE 120.

TYPES : BEGIN OF TYP_TAB ,

NAME(15) TYPE C ,

AGE TYPE I ,

END OF TYP_TAB .

DATA : num1 type i value 5 .

CLASS c1 DEFINITION .

public section.

methods : meth1 .

DATA : l_num like num1 ,

it_tab type standard table of typ_tab ,

w_tab like line of it_tab.

ENDCLASS.

CLASS c1 IMPLEMENTATION.

method : meth1 .

data : l_cnum(2) type c.

l_num = 0.

do 5 times.

l_num = l_num + 1.

l_cnum = l_num.

concatenate 'Student-'

l_cnum

into w_tab-name.

w_tab-age = num1 * l_num .

append w_tab to it_tab.

clear w_tab.

enddo.

loop at it_tab into w_tab.

write:/5 w_tab-name ,

w_tab-age.

endloop.

endmethod.

endclass.

START-OF-SELECTION.

DATA : obj1 type ref to c1.

create object : obj1.

call method obj1->meth1.

regards,

venkat

[Former Member]

hi venkat

this is really very helpful could u plz post som more typical examples

ALSO PLZ TELL WHETHER I SHOULD KEEP MY SELECTION SCREEN CODE INSIDE THE CLASS OR OUTSIDE THE CLASS

PLZ GUIDE ME

thamx in advance

Edited by: SARABPREET CHADHA on May 5, 2008 5:21 PM

[Sm1tje]

Keep selection screen out of class. Classes do not (yet) support screen processing.