I am stuck in FIELD-SYMBOLS and dynamic tables.

Hi guys,
            I am trying to create dynamic table. My requirement is as follows--
I have to display grid layout report in depending on given input.
In input i have fields for DC and STORE.
In output i have to display columns depending on number of DC and STORE paased in input.
For example if in input, i have 2 DCs DC01 and DC02 and in STs i have say 1 input - ST01
then in outpt grid report there will be 3 columns.
So my columns to be displayed depends on number of input values given while running it.
I am trying to use dynamic table.
My output report contains fields from different table...so i cant use
FIELD-SYMBOLS: <DYN_TABLE> TYPE STANDARD TABLE
instead i m trying to use
FIELD-SYMBOLS: <DYN_TABLE> LIKE T_ARTMAS "T_ARTMAS is declared as types : begin of....end of .... .
but it is giviing an error in following form
FORM CREATE_DYNAMIC_ITAB.
Create dynamic internal table and assign to FS
CALL METHOD CL_ALV_TABLE_CREATE=>CREATE_DYNAMIC_TABLE
    EXPORTING
      IT_FIELDCATALOG = IFC
    IMPORTING
      EP_TABLE        = DY_TABLE.
ASSIGN DY_TABLE->* TO <DYN_TABLE>.
Create dynamic work area and assign to FS
CREATE DATA DY_LINE LIKE LINE OF <DYN_TABLE>........error on this line.
ASSIGN DY_LINE->* TO <DYN_WA>.
ENDFORM.                    "create_dynamic_itab
saying "<DYN_TABLE>" is not an internal table - the "OCCURS n" specification is missing.
Kindly help me...
thx in advance...

Hi
.FIELD-SYMBOLS: <DYN_TABLE> LIKE T_ARTMAS "T_ARTMAS is declared as types : begin of....end of .... .
but it is giviing an error in following form.....
Just as Sasha wrote, the problem could be you've defined a flat structure and u need a table, but now just a little a question: why do u want to use a dynamic table but your field-symbol is like a certain type?
That means u know how the table is so u don't need to use a dynamic table, your issue seems not to make sense.
Max

Similar Messages

Are field symbols and Dynamic internal tables consistant?

Hi,
Are field symbols and Dynamic internal tables
always consistent?
In my program I m creating a dynamic itab and assignig values to it using <FS>, sometimes the program fails to execute assign <Fs> statement...
this happens once in 3 to 4 runs
any solution...
I have proper clear and refresh statements in program.
Thanks,
Hardik

Anurag,
Thanks for a quick reply. Here I am sending a small piece of my code.
MOVE-CORRESPONDING OUTTAB TO DYNTAB.
      CLEAR IT_UDATE.
      CLEAR : T_KBETR .
      READ TABLE IT_UDATE WITH KEY UDATE = OUTTAB-UDATE.
      CONCATENATE 'DYNTAB-KBETR' IT_UDATE-CO_POS INTO T_KBETR.
      ASSIGN (T_KBETR) TO <FS> .
      SUBRC5 = SY-SUBRC .
      IF SUBRC5 = 0 .
          <FS> = OUTTAB-KBETR .
      ENDIF .
read statement will always return CO_POS .
while debuging this code a few times
<b>ASSIGN (T_KBETR) TO <FS> .</b>
returns sy-subrc = 4
and that was leading the program to short dump earlier.
now, as I have a check DYNTAB-KBETR holds no value on display.
this happens very few times. (most of the times report is displaying desired output)
Thanks,
Hardik

Re: field symbols and interna table

hi,
here is field symbol which is table type
FIELD-SYMBOLS: <gt_pos_data> TYPE table.
there is one internal table it_data.
how can move <gt_pos_data> to it_data.
please help me.
rgds

Hi
You can assign field wise:
like
<gt_pos_data>- field to to it_data-field.
Field Symbols
Field symbols are placeholders or symbolic names for other fields. They do not physically reserve space for a field, but point to its contents. A field symbol cam point to any data object. The data object to which a field symbol points is assigned to it after it has been declared in the program.
Whenever you address a field symbol in a program, you are addressing the field that is assigned to the field symbol. After successful assignment, there is no difference in ABAP whether you reference the field symbol or the field itself. You must assign a field to each field symbol before you can address the latter in programs.
Field symbols are similar to dereferenced pointers in C (that is, pointers to which the content operator * is applied). However, the only real equivalent of pointers in ABAP, that is, variables that contain a memory address (reference) and that can be used without the contents operator, are reference variables in ABAP Objects.
All operations programmed with field symbols are applied to the field assigned to it. For example, a MOVE statement between two field symbols moves the contents of the field assigned to the first field symbol to the field assigned to the second field symbol. The field symbols themselves point to the same fields after the MOVE statement as they did before.
You can create field symbols either without or with type specifications. If you do not specify a type, the field symbol inherits all of the technical attributes of the field assigned to it. If you do specify a type, the system checks the compatibility of the field symbol and the field you are assigning to it during the ASSIGN statement.
Field symbols provide greater flexibility when you address data objects:
If you want to process sections of fields, you can specify the offset and length of the field dynamically.
You can assign one field symbol to another, which allows you to address parts of fields.
Assignments to field symbols may extend beyond field boundaries. This allows you to address regular sequences of fields in memory efficiently.
You can also force a field symbol to take different technical attributes from those of the field assigned to it.
The flexibility of field symbols provides elegant solutions to certain problems. On the other hand, it does mean that errors can easily occur. Since fields are not assigned to field symbols until runtime, the effectiveness of syntax and security checks is very limited for operations involving field symbols. This can lead to runtime errors or incorrect data assignments.
While runtime errors indicate an obvious problem, incorrect data assignments are dangerous because they can be very difficult to detect. For this reason, you should only use field symbols if you cannot achieve the same result using other ABAP statements.
For example, you may want to process part of a string where the offset and length depend on the contents of the field. You could use field symbols in this case. However, since the MOVE statement also supports variable offset and length specifications, you should use it instead. The MOVE statement (with your own auxiliary variables if required) is much safer than using field symbols, since it cannot address memory beyond the boundary of a field. However, field symbols may improve performance in some cases.
check the below links u will get the answers for your questions
http://help.sap.com/saphelp_nw04/helpdata/en/fc/eb3860358411d1829f0000e829fbfe/content.htm
http://www.sts.tu-harburg.de/teaching/sap_r3/ABAP4/field_sy.htm
http://searchsap.techtarget.com/tip/1,289483,sid21_gci920484,00.html
Syntax Diagram
FIELD-SYMBOLS
Basic form
FIELD-SYMBOLS <fs>.
Extras:
1. ... TYPE type
2. ... TYPE REF TO cif
3. ... TYPE REF TO DATA
4. ... TYPE LINE OF type
5. ... LIKE s
6. ... LIKE LINE OF s
7. ... TYPE tabkind
8. ... STRUCTURE s DEFAULT wa
The syntax check performed in an ABAP Objects context is stricter than in other ABAP areas. See Cannot Use Untyped Field Symbols ad Cannot Use Field Symbols as Components of Classes.
Effect
This statement declares a symbolic field called <fs>. At runtime, you can assign a concrete field to the field symbol using ASSIGN. All operations performed with the field symbol then directly affect the field assigned to it.
You can only use one of the additions.
Example
Output aircraft type from the table SFLIGHT using a field symbol:
FIELD-SYMBOLS <PT> TYPE ANY.
DATA SFLIGHT_WA TYPE SFLIGHT.
ASSIGN SFLIGHT_WA-PLANETYPE TO <PT>.
WRITE <PT>.
Addition 1
... TYPE type
Addition 2
... TYPE REF TO cif
Addition 3
... TYPE REF TO DATA
Addition 4
... TYPE LINE OF type
Addition 5
... LIKE s
Addition 6
... LIKE LINE OF s
Addition 7
... TYPE tabkind
Effect
You can define the type of the field symbol using additions 2 to 7 (just as you can for FORM parameters (compare Defining the Type of Subroutine Parameters). When you use the ASSIGN statement, the system carries out the same type checks as for USING parameters of FORMs.
This addition is not allowed in an ABAP Objects context. See Cannot Use Obsolete Casting for FIELD SYMBOLS.
In some cases, the syntax rules that apply to Unicode programs are different than those for non-Unicode programs. See Defining Types Using STRUCTURE.
Effect
Assigns any (internal) field string or structure to the field symbol from the ABAP Dictionary (s). All fields of the structure can be addressed by name: <fs>-fieldname. The structured field symbol points initially to the work area wa specified after DEFAULT.
The work area wa must be at least as long as the structure s. If s contains fields of the type I or F, wa should have the structure s or at least begin in that way, since otherwise alignment problems may occur.
Example
Address components of the flight bookings table SBOOK using a field symbol:
DATA SBOOK_WA LIKE SBOOK.
FIELD-SYMBOLS <SB> STRUCTURE SBOOK
DEFAULT SBOOK_WA.
WRITE: <SB>-BOOKID, <SB>-FLDATE.
Related
ASSIGN, DATA
Additional help
Declaring Field Symbols
Reward points if useful
Regards
Anji

Field-symbols and internal table

Hello,
How do I declare a field-symbol as an intenal table?
I have a internal table declared, but i need to declare a field symbols as my internal table´s type. How do I do it?
What I wrote was this:
DATA: BEGIN OF IT_INTE OCCURS 0,
           FIELD(3) TYPE C,
       END OF IT_INTE.
FIELD-SYMBOLS: isn´t defined as an internal table, how do I fix it.
Thanks!!!
Gabriel.

It is very much possible to have a field symbol point to a internal table. Here is some sample code.
report zrich_0001.
data: begin of itab1 occurs 0,
      fld1(10) type c,
      fld3(10) type c,
      fld5(10) type c,
      end of itab1.
data: wa1 like line of itab1.
field-symbols: <fs_table> type table.
field-symbols: <fs_wa>.
field-SYMBOLS: <fs_field>.
* Setup the data
itab1-fld1 = '0000000001'.
itab1-fld3 = '0000000002'.
itab1-fld5 = '0000000003'.
append itab1.
itab1-fld1 = '0000000004'.
itab1-fld3 = '0000000005'.
itab1-fld5 = '0000000006'.
append itab1.
assign itab1[] to <fs_table>.
assign wa1     to <fs_wa>.
loop at <fs_table> into <fs_wa>.
* Write out each field of the line
do.
       assign COMPONENT sy-index of structure <fs_wa> to <fs_field>.
    if sy-subrc <> 0.
      exit.
      endif.
      write:/ <fs_field>.
enddo.
skip 2.
endloop.
Regards,
Rich Heilman

Field Symbols and Dynamic references

Hello,
I have Two internal tables Itab1 and Itab2 which are containing MATNR as field.
Itab1-matnr contains the value as 123;456;789.
I have two more Field-symbols Var1 and var2 which contains the values as <Var1> = itab1-matnr
                       <var2> = itab2-matnr.
now i wanted to split contents of Itab1-matnr.
split <var1> at ';' into <var2> <var1>.
By this, my expected result is 123 into Itab2-matnr and 456;789 into itab1-matnr.
How can i do this? now Var1 contains the value as itab1-matnr, but not the contents of itab1-matnr ( But not 123;456;789) .
Pleasde help me in solving this.

Hello Rajesekhar,
U can try this...
I have used fields instead of internal table.
data: itab1 like mara-matnr value '123;456;789',
      itab2 like mara-matnr.
data: begin of itab3 occurs 0.
data: fld(50).
data end of itab3.
field-symbols: <fs1> type any,
               <fs2> type any.
assign itab1 to <fs1>.
assign itab2 to <fs2>.
search <fs1> for ';'.
sy-fdpos = sy-fdpos + 1.
<fs2> = <fs1>(sy-fdpos).
<fs1> = <fs1>+4.

Field symbols and READ TABLE with system code 4

Hi,
I have a hashed table and I am using field symbols to point to it to retrieve the field content. I then use it in the READ TABLE statement in the following way:
Loop at x_data assign <fs>.
ASSIGN COMPONENT 'xxx' OF STRUCTURE <fs> TO <c1>.
ASSIGN COMPONENT 'xxx' OF STRUCTURE <fs> TO <c2>.
READ TABLE ZZZZ assign <fs> with table key a1 = <c1>
a2 = <c2>.
If sy-subrc = 0.
endif.
I ran the debugger and I keep getting a 4. I am not able to get the value from a1 and a2 to see what it is and why it is causing a 4 sy-subrc. I know the value from the hashed table and the values c1 and c2 are the same, so the sy-subrc should be 0.
How would I read a hashed table using field symbols? I know that usig a standard table, I have to sort the table on the key fields() before I actually can do the READ TABLE using the binary search.
Please advise. Thanks
RT

Hai Rob
Go through the following Code
Field-Symbols are place holders for existing fields.
A Field-Symbol does not physically reserve space for a field but points to a field, which is not known until run time of the program.
Field-Symbols are like Pointers in Programming language C .
Syntax check is not effective.
Syntax :
Data : v1(4) value abcd.
Field-symbols <fs>.
Assign v1 to <fs>.
Write:/ <fs>.
DATA: BEGIN OF LINE,
COL1 TYPE I,
COL2 TYPE I,
END OF LINE.
DATA ITAB LIKE SORTED TABLE OF LINE WITH UNIQUE KEY COL1.
FIELD-SYMBOLS <FS> LIKE LINE OF ITAB.
DO 4 TIMES.
LINE-COL1 = SY-INDEX.
LINE-COL2 = SY-INDEX ** 2.
APPEND LINE TO ITAB.
ENDDO.
READ TABLE ITAB WITH TABLE KEY COL1 = 2 ASSIGNING <FS>.
<FS>-COL2 = 100.
READ TABLE ITAB WITH TABLE KEY COL1 = 3 ASSIGNING <FS>.
DELETE ITAB INDEX 3.
IF <FS> IS ASSIGNED.
WRITE '<FS> is assigned!'.
ENDIF.
LOOP AT ITAB ASSIGNING <FS>.
WRITE: / <FS>-COL1, <FS>-COL2.
ENDLOOP.
The output is:
1 1
2 100
4 16
Thanks & regards
Sreenivasulu P

FIELD SYMBOL and INTERNAL TABLE

Hi friends !
How can i move internal table data to field symbol with a similar structure or diferent strucuture with more some fields ?
Thanks.

Hi Fabrício
Here is an example containing usage of field symbol as alias of an internal table.
DATA lv_itab_name(30) TYPE c .
FIELD-SYMBOLS: <table> TYPE table ,
               <line> TYPE ANY ,
               <fvalue> TYPE ANY.
lv_itab_name = 'GT_ITAB[]' .
ASSIGN (lv_itab_name) TO <table> .
IF sy-subrc = 0 .
LOOP AT <table> ASSIGNING <line> .
    DO .
      ASSIGN COMPONENT sy-index OF STRUCTURE <line> TO <fvalue> .
      IF sy-subrc NE 0 .
        EXIT .
      ENDIF .
      target_field = <fvalue> .
    ENDDO .
ENDLOOP .
ENDIF .
If you know names of the fields, for each field you want to transfer, you can use
ASSIGN COMPONENT '<field_name>' OF STRUCTURE <line> TO <fvalue> .
Hope this helps...
*--Serdar [[ BC ] | https://www.sdn.sap.com:443http://www.sdn.sap.comhttp://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.sdn.businesscard.sdnbusinesscard?u=qbk sag jiw=]

Passing content of field symbol to internal table

Hi experts,
I need to pass the content of a field symbol to a internal table. Below is the following structure of the field symbol and internal table. But I'm encountering a short dump:
TYPES: BEGIN OF fint_frange,
        fieldname    LIKE rsdstabs-prim_fname,
        fieldtype(1) TYPE c,
        selopt_t     TYPE fint_selopt_t,
       END OF fint_frange.
TYPES: fint_frange_t TYPE fint_frange OCCURS 10.
CONSTANTS: lc_save_selections(31) TYPE c VALUE '(RFINTITAR)GT_SAVE_SELECTIONS[]',
FIELD-SYMBOLS: <fs_save_selections> TYPE STANDARD TABLE.
ASSIGN (lc_save_selections) TO <fs_save_selections>.
i_save_selections[] = <fs_save_selections>.
Short dump: You attempted to move one data object to another.
This is not possible here because the internal tables concerned
are neither compatible nor convertible.
Thanks in advance.

Hi,
what is ur internal table structure?
if structure of both field symbol and internal table is not same,
u can not put equal betwwen them.
ur <fs_save_selections> is having one constanat value lc_save_selections.
and ur assaigning that to an internal table with some structure ......
so structure is not same for both..........check it once.
Regards,
kk.

Sum for Dynamic Fields in a Dynamic Table with Field Symbol

Hi All,
I currently have an report which I am looking to update with some totals. The information is currently output in an ALV which is fed data from a dynamic table defined with a field symbol. The modification that needs to be applied is a summation per currency code where each of the fields to be summed is a dynamically named field at runtime. I am now just looking to see if anyone has any recommendations on how to obtain these totals it would be appreciated. I have no problem doing the leg work in piecing the solution together but am just stuck on which approach I should be investigating here. I have looked into several options but do to the fact that the totals are for dynamic fields in a dynamic table and it is a field symbol I am having some difficulties thinking of the easiest approach to obtain these totals.
Below is a simple sample of what the report currently looks like and what we are looking to add.
====================================================================================
As-Is Report:
DETAILED DATA ALV
Company Code | Plant | 2006 Total | 2007 Total | 2008 Total | CURRENCY
0001          |   ABCD |    1,500     |    1,200     |    1,700    |    USD
0001          |   BCDE   |    2,300     |    4,100     |    3,600    |    GBP
0003          |   DBCA |    3,200     |    1,600     |    6,200    |    USD
Addition 1:
TOTALS PER CURRENCY
Currency                | 2006 Total | 2007 Total | 2008 Total |
USD              |    4,700     |    2,800     |    7,900    |
GBP                       |    2,300     |    4,100     |    3,600    |
Addition 2:
CONVERSIONS TO USD
                                      | 2006 Curr   | 2006 USD    | 2008 Curr   | 2006 USD   |
USD                       | 4,700 USD   | 4,700 USD   | 7,900 USD | 7,900 USD |
GBP   (1.5GBP/1 USD)    | 2,300 GBP   | 1,150 USD   | 2,300 GBP | 1,800 USD |
====================================================================================
Any recommendations will be appreciated.

Hi,
We cannot use the key word SUM in the loop at assigning statement.
The way i see is
When you are creating the first dynamic internal table , create one more with the structure below:
Currency | 2006 Total | 2007 Total | 2008 Total |
Then while populating the data into first itab,also move the contents to the second itab using collect statement.

Field symbols and field groups

Hi friends plz send me the answer for this query:
What are field symbols and field groups.? what is the"component idx of structure" clause with field groups?

Hi,
A field group combines several existing fields together under one name
like
FIELD-GROUPS: fg.
then you can use one insert statement to insert values in fields of field-group.
INSERT f1 f2 ... INTO fg.
Field symbols
If u have experience with 'C', then understand this to be similar to a pointer.
It is used to reference another variable dynamically. So this field symbol will simply point to some other variable. and this pointer can be changed at runtime.
FIELD-SYMBOLS <FS>.
DATA FIELD VALUE 'X'.
ASSIGN FIELD TO <FS>.
WRITE <FS>.
Field symbols: are placeholders or symbolic names for other fields. They do not physically reserve space for a field, but point to its contents. A field symbol cam point to any data object. The data object to which a field symbol points is assigned to it after it has been declared in the program.
Whenever you address a field symbol in a program, you are addressing the field that is assigned to the field symbol. After successful assignment, there is no difference in ABAP whether you reference the field symbol or the field itself. You must assign a field to each field symbol before you can address the latter in programs.
Field Groups:
A field group is a user-defined grouping of characteristics and basic key figures from the EC-EIS or EC-BP field catalog.
Use
The field catalog contains the fields that are used in the aspects. As the number of fields grows, the field catalog becomes very large and unclear. To simplify maintenance of the aspects, you can group fields in a field group. You can group the fields as you wish, for example, by subject area or responsibility area. A field may be included in several field groups.
When maintaining the data structure of an aspect, you can select the field group that contains the relevant characteristics and basic key figures. This way you limit the number of fields offered.
Field Groups / Extracts
http://help.sap.com/saphelp_46c/helpdata/EN/9f/db9ede35c111d1829f0000e829fbfe/frameset.htm
Field Symbols
http://help.sap.com/saphelp_46c/helpdata/EN/fc/eb387a358411d1829f0000e829fbfe/frameset.htm
Regards,
Priyanka.

Difference between Field symbols and field group

Hi experts,
Can you please advice me what is the difference between field symbols and field groups.
Thanks in advance,
Logu.

Field symbols: are placeholders or symbolic names for other fields. They do not physically reserve space for a field, but point to its contents. A field symbol cam point to any data object. The data object to which a field symbol points is assigned to it after it has been declared in the program.
Whenever you address a field symbol in a program, you are addressing the field that is assigned to the field symbol. After successful assignment, there is no difference in ABAP whether you reference the field symbol or the field itself. You must assign a field to each field symbol before you can address the latter in programs.
Field Groups:
A field group is a user-defined grouping of characteristics and basic key figures from the EC-EIS or EC-BP field catalog.
Use
The field catalog contains the fields that are used in the aspects. As the number of fields grows, the field catalog becomes very large and unclear. To simplify maintenance of the aspects, you can group fields in a field group. You can group the fields as you wish, for example, by subject area or responsibility area. A field may be included in several field groups.
When maintaining the data structure of an aspect, you can select the field group that contains the relevant characteristics and basic key figures. This way you limit the number of fields offered.
A field group combines several existing fields together under one name
like
FIELD-GROUPS: fg.
then you can use one insert statement to insert values in fields of field-group.
INSERT f1 f2 ... INTO fg.
Field symbols
If u have experience with 'C', then understand this to be similar to a pointer.
It is used to reference another variable dynamically. So this field symbol will simply point to some other variable. and this pointer can be changed at runtime.
FIELD-SYMBOLS <FS>.
DATA FIELD VALUE 'X'.
ASSIGN FIELD TO <FS>.
WRITE <FS>.
Field symbols: are placeholders or symbolic names for other fields. They do not physically reserve space for a field, but point to its contents. A field symbol cam point to any data object. The data object to which a field symbol points is assigned to it after it has been declared in the program.
Whenever you address a field symbol in a program, you are addressing the field that is assigned to the field symbol. After successful assignment, there is no difference in ABAP whether you reference the field symbol or the field itself. You must assign a field to each field symbol before you can address the latter in programs.
Field Groups:
A field group is a user-defined grouping of characteristics and basic key figures from the EC-EIS or EC-BP field catalog.
Use
The field catalog contains the fields that are used in the aspects. As the number of fields grows, the field catalog becomes very large and unclear. To simplify maintenance of the aspects, you can group fields in a field group. You can group the fields as you wish, for example, by subject area or responsibility area. A field may be included in several field groups.
When maintaining the data structure of an aspect, you can select the field group that contains the relevant characteristics and basic key figures. This way you limit the number of fields offered.
example :
DATA: BEGIN OF SPTAB OCCURS 0,
line(1000), " or type string
END OF SPTAB.
DATA: IDX LIKE SY-INDEX.
field-symbols <FS1>.
split tb_sip AT ';' INTO table sptab.
LOOP AT SPTAB.
IDX = IDX + 1.
ASSIGN COMPONENT IDX OF STRUCTURE tb_detsip TO <FS1>.
If sy-subrc = 0.
<FS1> = SPTAB-line.
Endif.
Endloop.
append tb_detsip.
clear idx.
Field Groups / Extracts
http://help.sap.com/saphelp_46c/helpdata/EN/9f/db9ede35c111d1829f0000e829fbfe/frameset.htm
Field Symbols
http://help.sap.com/saphelp_46c/helpdata/EN/fc/eb387a358411d1829f0000e829fbfe/frameset.htm
Reward points if useful.

Difference between Field symbols and Field groups

<b>Hi Friends,
can you tell me the differences between Field symbols and Field groups? with any examples preferably?
Regards
Dinesh</b>

Hi Dinesh,
A field group combines several existing fields together under one name
like
FIELD-GROUPS: fg.
then you can use one insert statement to insert values in fields of field-group.
INSERT f1 f2 ... INTO fg.
<b>Field symbols</b>
If u have experience with 'C', then understand this to be similar to a pointer.
It is used to reference another variable dynamically. So this field symbol will simply point to some other variable. and this pointer can be changed at runtime.
FIELD-SYMBOLS <FS>.
DATA FIELD VALUE 'X'.
ASSIGN FIELD TO <FS>.
WRITE <FS>.
Field symbols: are placeholders or symbolic names for other fields. They do not physically reserve space for a field, but point to its contents. A field symbol cam point to any data object. The data object to which a field symbol points is assigned to it after it has been declared in the program.
Whenever you address a field symbol in a program, you are addressing the field that is assigned to the field symbol. After successful assignment, there is no difference in ABAP whether you reference the field symbol or the field itself. You must assign a field to each field symbol before you can address the latter in programs.
Field Groups:
A field group is a user-defined grouping of characteristics and basic key figures from the EC-EIS or EC-BP field catalog.
Use
The field catalog contains the fields that are used in the aspects. As the number of fields grows, the field catalog becomes very large and unclear. To simplify maintenance of the aspects, you can group fields in a field group. You can group the fields as you wish, for example, by subject area or responsibility area. A field may be included in several field groups.
When maintaining the data structure of an aspect, you can select the field group that contains the relevant characteristics and basic key figures. This way you limit the number of fields offered.
Field Groups / Extracts
http://help.sap.com/saphelp_46c/helpdata/EN/9f/db9ede35c111d1829f0000e829fbfe/frameset.htm
Field Symbols
http://help.sap.com/saphelp_46c/helpdata/EN/fc/eb387a358411d1829f0000e829fbfe/frameset.htm
Reward points if helpful.
Regards,
Hemant

What are field symbols and field groups.? Have you used "component idx of s

What are field symbols and field groups.? Have you used "component idx of structure"

Field Symbols and field groups
Field Groups / Extracts
http://help.sap.com/saphelp_46c/helpdata/EN/9f/db9ede35c111d1829f0000e829fbfe/frameset.htm
Field Symbols
http://help.sap.com/saphelp_46c/helpdata/EN/fc/eb387a358411d1829f0000e829fbfe/frameset.htm
Field symbols: are placeholders or symbolic names for other fields. They do not physically reserve space for a field, but point to its contents. A field symbol cam point to any data object. The data object to which a field symbol points is assigned to it after it has been declared in the program.
Whenever you address a field symbol in a program, you are addressing the field that is assigned to the field symbol. After successful assignment, there is no difference in ABAP whether you reference the field symbol or the field itself. You must assign a field to each field symbol before you can address the latter in programs.
Field Groups:
A field group is a user-defined grouping of characteristics and basic key figures from the EC-EIS or EC-BP field catalog.
Use
The field catalog contains the fields that are used in the aspects. As the number of fields grows, the field catalog becomes very large and unclear. To simplify maintenance of the aspects, you can group fields in a field group. You can group the fields as you wish, for example, by subject area or responsibility area. A field may be included in several field groups.
When maintaining the data structure of an aspect, you can select the field group that contains the relevant characteristics and basic key figures. This way you limit the number of fields offered.
A field group combines several existing fields together under one name
like
FIELD-GROUPS: fg.
then you can use one insert statement to insert values in fields of field-group.
INSERT f1 f2 ... INTO fg.
Field symbols
If u have experience with 'C', then understand this to be similar to a pointer.
It is used to reference another variable dynamically. So this field symbol will simply point to some other variable. and this pointer can be changed at runtime.
FIELD-SYMBOLS <FS>.
DATA FIELD VALUE 'X'.
ASSIGN FIELD TO <FS>.
WRITE <FS>.
Field symbols: are placeholders or symbolic names for other fields. They do not physically reserve space for a field, but point to its contents. A field symbol cam point to any data object. The data object to which a field symbol points is assigned to it after it has been declared in the program.
Whenever you address a field symbol in a program, you are addressing the field that is assigned to the field symbol. After successful assignment, there is no difference in ABAP whether you reference the field symbol or the field itself. You must assign a field to each field symbol before you can address the latter in programs.
Field Groups:
A field group is a user-defined grouping of characteristics and basic key figures from the EC-EIS or EC-BP field catalog.
Use
The field catalog contains the fields that are used in the aspects. As the number of fields grows, the field catalog becomes very large and unclear. To simplify maintenance of the aspects, you can group fields in a field group. You can group the fields as you wish, for example, by subject area or responsibility area. A field may be included in several field groups.
When maintaining the data structure of an aspect, you can select the field group that contains the relevant characteristics and basic key figures. This way you limit the number of fields offered.
Field Groups / Extracts
http://help.sap.com/saphelp_46c/helpdata/EN/9f/db9ede35c111d1829f0000e829fbfe/frameset.htm
Field Symbols
http://help.sap.com/saphelp_46c/helpdata/EN/fc/eb387a358411d1829f0000e829fbfe/frameset.htm

Field symbol to dynamic variable field naming

Hello all,
I am not used to field-symbols and I don't know if it's possible to do.
I need to create a node for a ALV Tree and the hierarchy changes 9 times. So, instead of create 9 loops I want to create a Perform and use the field as parameter.
case 'X'.
     when s1.
       perform tree_nodes_s1 using 'BEZEI' 'NAME1' 'VTEXT'.
     when s2.
       perform tree_nodes_s2 using 'BEZEI' 'VTEXT' ''.
In the Form
loop at it_data into wa_data.
     if l_field1 is not initial.
       on change of field.
         perform add_carrid_line using wa_data   ''
                                 changing l_carrid_key.
       endon.
     endif.
So, the field need to be wa_data-bezei or wa_data-name1 or wa_data-vtext etc.
I guess that I saw it on SAP code but I really don't know how to reproduce it.
Thanks,
Andréa

Hi Roland Spindler
I did that before and I thought that it was wrong because I got this same error message:
The field "<L_FIELD1>" specified under LIKE either has no type or a generic type. type.
Code
   field-symbols: <l_field1> type any.
   assign component param1 of structure wa_data to <l_field1>.
   check sy-subrc = 0.
     loop at it_data into wa_data.
     if <l_field1> is not initial.
       on change of <l_field1>.
         perform add_carrid_line using wa_data   ''
                                 changing l_carrid_key.
       endon.
     endif.
Not sure if I can use it on 'on change of'.
do you know the right type to declare?
Thanks,
Andrea

Iphone stuck with apple symbol and wont start up

i updated my iphone and when it finished and went to reboot it just stays stuck on the apple symbol it constantly reboots and will never connect to my laptop i dont know what to do if anyone can help please do

Hi,
Luca224 & Ingo2711. Thanks for bringing this topic. on 29th Nov. I faced the same problem on my iPhone 3GS 32GB Firmware 3.1.2, iPhone stuck with apple symbol and wont start up. I have tried with 10 Seconds Sleep/wake-up button + home button to reset. But didn't work. Did google about an hour with many blogs. Finally I made a call to 3 iPhone care and spent 30 minutes and explained whatever I have done; iPhone customer care asked me to go to nearby iPhone service center in Sydney. BUT BY LUCK CLICKED ON iTUNE AND GOT THE OPTION FOR ONLINE FORUM FOR APPLE iPHONE. Many many thanks to Ingo2711 who has given the solution link and also thanks to Luca224 , who raised the issue. I feel, this is a common problem with iPhones those who using iPhone 3GS 3.1.2...... but try the link http://support.apple.com/kb/HT1808 and thanks to Luca224 & Ingo2711. PLEASE FOLLOW THE INSTRUCTION CAREFULY:
1. Verify you have iTunes 7.5 or later. Apple recommends using the latest version of iTunes.
2. Disconnect the USB cable from the iPhone or iPod touch, but leave the other end of the cable connected to your computer's USB port.
3. Power off the device (Press and hold the Sleep/Wake button for a few seconds until the red slider appears, then slide the slider. Wait for the the iPhone or iPod touch to turn off. _+(in my case - red slider didn't appear, but i pressed the Sleep/Wake button until the iPhone went off, finally it was just off... i was frustrated... tried 3 times with more patience )+_
4. Press and hold the Home button while reconnecting the USB cable to iPhone. When you reconnect the USB to iPhone, the device should then power on. +_( Do exactly as it says)_+
Note: If you see the message "Charging... Please Wait" or you see the screen pictured below, let the device charge for at least 10 minutes to ensure the battery has some charge and then start with step 2 again. +_(True ... for me it happened 3 times)_+
5. Continue holding the Home button while iPhone starts up. While starting up, you will see the Apple logo. +_( I was nearly frustrated at my 3rd attempet; my thumb was hurting as I was holding the home button for few minutes..... but finally it worked yahooooooooooooooooo...... suddenly changed my decision.... about going to 3/Apple service center)_+
6. When you see "Connect to iTunes" on the screen, you can release the Home button and iTunes will display the recovery mode message:
If you don't see the "Connect to iTunes" screen, then disconnect the USB cable from iPhone and repeat steps 3-6.
Because you must restore iPhone or iPod touch, iTunes will not recover data from the device, but if it was previously synced on the same computer and the same user account, it should restore a backup (if available). See document HT1414, "Updating and Restoring iPhone Software."
If you are still unable to restore the iPhone using this method, check Apple support for further troubleshooting and/or service options.
Note: If you sync both an iPhone and an iPod touch to the same computer, make sure you select the correct backup to restore your settings from (don't select an iPhone backup if you have an iPod touch and don't select an iPod touch backup if you have an iPhone).
**** ( BACKUP FROM YOUR iTUNES : MAC/PC; AS I GOT MY 95% DATA FROM THERE.... GOOD LUCK)******* IF IT WORKS PLEASE POST YOUR EXPERIENCE....*
THANKS

I am stuck in FIELD-SYMBOLS and dynamic tables.

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