Fetch the values from internal table inside an internal table (urgent!!)

data : BEGIN OF PITB2_ZLINFO occurs 0,
         BEGDA LIKE SY-DATUM,
         ENDDA LIKE SY-DATUM,
         PABRJ(4) TYPE N,                       "Payroll Year
         PABRP(2) TYPE N,                       "Pay. Period
         ZL LIKE PC2BF OCCURS 0,
       END OF PITB2_ZLINFO.
I have a internal table like this,
How to Fetch the values from internal table inside an internal table.
Kindly Help me on this..
Regards,
Ram.

Hi,
Try this....
Loop at PITB2_ZLINF0.
Loop at PITB2_ZLINF0-ZL.
endloop.
Endloop.
Thanks...
Preetham S

Similar Messages

From two given tables, how do you fetch the values from two columns using values from one column(get values from col.A if col.A is not null and get values from col.B if col.A is null)?

From two given tables, how do you fetch the values from two columns using values from one column(get values from col.A if col.A is not null and get values from col.B if col.A is null)?

Hi,
Use NVL or COALESCE:
NVL (col_a, col_b)
Returns col_a if col_a is not NULL; otherwise, it returns col_b.
Col_a and col_b must have similar (if not identical) datatypes; for example, if col_a is a DATE, then col_b can be another DATE or it can be a TIMESTAMP, but it can't be a VARCHAR2.
For more about NVL and COALESCE, see the SQL Language manual: http://docs.oracle.com/cd/E11882_01/server.112/e26088/functions119.htm#sthref1310
I hope this answers your question.
If not, post a little sample data (CREATE TABLE and INSERT statements, relevant columns only) for all tables involved, and also post the results you want from that data.
Explain, using specific examples, how you get those results from that data.
Always say which version of Oracle you're using (e.g., 11.2.0.2.0).
See the forum FAQ: https://forums.oracle.com/message/9362002

Please help..it's Urgent..How to fetch the value from table row from Page

Hi,
I have created a table with 2 LOV's , LOV2 is dependent on LOV2.
Here I can not use the general Dependent LOV concept, as these values are coming from 2 different LookUps.
I am not able to fetch the user input for LOV1 (from page) .that is why not able to set the where cluse fro 2nd LOVVO.
I have used this code:
if ("ViolationCat".equals(lovInputSourceId)) {
OAMessageLovInputBean msglov =
(OAMessageLovInputBean)webBean.findChildRecursive("ViolationCat");
// String p_violation_category = "'"+(String)msglov.getValue(pageContext)+"'";
String p_violation_category =
(String)msglov.getValue(pageContext);
// System.out.println(" p_violation_category =" +
// p_violation_category);
String v_violation_category = "";
//System.out.println("vcat=" + vCat);
OAViewObject violationVO =
(OAViewObject)am.findViewObject("SNI_Violation_DtlsVO2");
Number vcatViolationIdnum =
(Number)violationVO.getCurrentRow().getAttribute("ViolationId");
String vcatViolationId = "" + vcatViolationIdnum;
pageContext.putTransactionValue("vcatViolationId",
vcatViolationId);
pageContext.putTransactionValue("p_violation_category",
p_violation_category);
String query =
" SELECT LOOKUP_CODE, \n" + " MEANING, \n" +
" LOOKUP_TYPE \n" +
" FROM apps.fnd_lookup_values \n" +
" WHERE LOOKUP_TYPE ='SNI_VIOLATION_CATEGORY' AND MEANING=?";
PreparedStatement ps = txn.createPreparedStatement(query, 1);
try {
ps.setString(1, p_violation_category);
ResultSet rs = ps.executeQuery();
//System.out.println("before while,");
// rs.next();
// v_violation_category = rs.getString("LOOKUP_CODE");
// System.out.println("v_violation_category="+v_violation_category);
while (rs.next()) {
//System.out.println("inside while");
v_violation_category = rs.getString("LOOKUP_CODE");
// System.out.println("v_violation_category=" +
// v_violation_category);
ps.close();
} //try ends
catch (Exception e) {
e.getMessage();
//System.out.println("in catch.." + e.getMessage());
OAViewObject subCatVO =
(OAViewObject)am.findViewObject("SNI_ViolationSubCategoryVO1");
//System.out.println("get VO before where clause: subCatVO::"+subCatVO.getQuery());
subCatVO.setWhereClause("LOOKUP_TYPE like '%SNI_VIOL_SUB_CAT_" +
v_violation_category + "'");
System.out.println("after set where clause VO: subCat VO::" +
subCatVO.getQuery());
subCatVO.executeQuery();
// System.out.println("query of subCat VO::" +
// subCatVO.getQuery());
//End of sub category Validation
It is working fine only for the 1st row of teh table.
I have tried to fetch the value using :
String violationCategory = (String)violationVO.getCurrentRow().getAttribute("ViolationCategory");
String violationSubcategory = (String)violationVO.getCurrentRow().getAttribute("ViolationSubcategory");
But it is fetching null value.
Please tell me how can I able to fetch the values.

Hi
in your scenarion,first u have to identify the particular row of table where the changes is being made ,u have to use this code .when u select the lov ,first it will give the row refernce and then u have to catch the lov event
OAApplicationModule am =
(OAApplicationModule)pageContext.getApplicationModule(webBean);
String event = pageContext.getParameter("event");
if ("<ItemPPREventName>").equals(event))
// Get the identifier of the PPR event source row
String rowReference =
262
pageContext.getParameter(OAWebBeanConstants.EVENT_SOURCE_ROW_REFERENCE);
Serializable[] parameters = { rowReference };
// Pass the rowReference to a "handler" method in the application module.
am.invokeMethod("<handleSomeEvent>", parameters);
In your application module's "handler" method, add the following code to access the source row:
OARow row = (OARow)findRowByRef(rowReference);
if (row != null)
thanx
Pratap

Error while fetching the values from database

hiii all,
I have a dynpro project where i am using JDBC codes to fetch data from tables. I have used 2SQL queries...in the first query i am fetching values from 2tables and taking the result from this i run another query.As a result i expect 19591 records as the output....
1)when i put while loop for 19000, 19000records are being within 1min.....
2)when i put while loop for 20000, exception is thrown as :
ArrayIndexOutOfboundsException : size:19591,i:19591
i is variable for while loop
3)when i dont put any condition for while loop, itz taking unlimited time and output is not displayed....
please do help out...

group_rs1 = group_st1.executeQuery("SELECT A.JOINT_ID,C.LINE_ID FROM EALPS_DRWREVSPLJTS A,EALPS_DRW_REV_SPL B,EALPS_DRW_REV_LINE C WHERE"
                                                            + " B.SPOOL_ID=A.SPOOL_ID AND B.LINE_ID=C.LINE_ID");
                         //group_rs1=group_st1.executeQuery("SELECT D.TESTLEVELNO FROM EALPS_EALPS_DRWREVSPLJTS A,WELDTESTCRIT D WHERE D.WELD_TEST_CRIT_ID=A.WELDTEST_CRI_ID ");
                         //wdComponentAPI.getMessageManager().reportSuccess("connection.toString ="+conn.toString());
          int index1=0;
          while(group_rs1.next())
               arr_joint_id.add((group_rs1.getString(1)));
               arr_line_id.add(group_rs1.getString(2));
                                             index1++;
          for(int i = 0; i <arr_joint_id.size(); i++)
               String joint_id = arr_joint_id.get(i).toString();
               group_rs = group_st.executeQuery("SELECT A.SIZE_NBMM,A.ISFIELDJOINT,A.WELDTEST_CRI_ID,D.TESTLEVELNO,E.COMPLETE FROM EALPS_DRWREVSPLJTS A,EALPS_WELDTESTCRIT D,EALPS_ACTV_SEQ E WHERE"
                                                                                                    + " A.JOINT_ID='" + joint_id +"' OR D.WELD_TEST_CRIT_ID=A.WELDTEST_CRI_ID OR E.JOINT_ID=A.JOINT_ID");
          int index = 0;
                                   while(group_rs.next())
                                             //wdComponentAPI.getMessageManager().reportSuccess("inside while loop");
                                        arr_size.add(new Float(group_rs.getFloat(1)));
                                        arr_isfieldjoint.add(group_rs.getString(2));
                                        arr_weldtest_cri_id.add(new Long(group_rs.getLong(3)));
                                        arr_testlevelno.add(group_rs.getString(4));
                                        arr_complete.add(group_rs.getString(5));
                                   index++;
thanks a lot for pointing out my mistake that i was taking the last resultset and performing operations on that only....
please go thru my code,i have changed them....now i am taking all the values from each of the record-sets...............but now itz taking infinite time after which the page is exprining....can u plzz suggest.............

Swing: when trying to get the values from a JTable inside an event handler

Hi,
I am trying to write a graphical interface to compute the Gauss Elimination procedure for solving linear systems. The class for computing the output of a linear system already works fine on console mode, but I am fighting a little bit to make it work with Swing.
I put two buttons (plus labels) and a JTextField . The buttons have the following role:
One of them gets the value from the JTextField and it will be used to the system dimension. The other should compute the solution. I also added a JTable so that the user can type the values in the screen.
So whenever the user hits the button Dimensiona the program should retrieve the values from the table cells and pass them to a 2D Array. However, the program throws a NullPointerException when I try to
do it. I have put the code for copying this Matrix inside a method and I call it from the inner class event handler.
I would thank you very much for the help.
Daniel V. Gomes
here goes the code:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import AdvanceMath.*;
public class MathF2 extends JFrame {
private JTextField ArrayOfFields[];
private JTextField DimOfSis;
private JButton Calcular;
private JButton Ativar;
private JLabel label1;
private JLabel label2;
private Container container;
private int value;
private JTable DataTable;
private double[][] A;
private double[] B;
private boolean dimensionado = false;
private boolean podecalc = false;
public MathF2 (){
super("Math Calcs");
Container container = getContentPane();
container.setLayout( new FlowLayout(FlowLayout.CENTER) );
Calcular = new JButton("Resolver");
Calcular.setEnabled(false);
Ativar = new JButton("Dimensionar");
label1 = new JLabel("Clique no bot�o para resolver o sistema.");
label2 = new JLabel("Qual a ordem do sistema?");
DimOfSis = new JTextField(4);
DimOfSis.setText("0");
JTable DataTable = new JTable(10,10);
container.add(label2);
container.add(DimOfSis);
container.add(Ativar);
container.add(label1);
container.add(Calcular);
container.add(DataTable);
for ( int i = 0; i < 10 ; i ++ ){
for ( int j = 0 ; j < 10 ; j++) {
DataTable.setValueAt("0",i,j);
myHandler handler = new myHandler();
Calcular.addActionListener(handler);
Ativar.addActionListener(handler);
setSize( 500 , 500 );
setVisible( true );
public static void main ( String args[] ){
MathF2 application = new MathF2();
application.addWindowListener(
new WindowAdapter(){
public void windowClosing (WindowEvent event)
System.exit( 0 );
private class myHandler implements ActionListener {
public void actionPerformed ( ActionEvent event ){
if ( event.getSource()== Calcular ) {
if ( event.getSource()== Ativar ) {
//dimensiona a Matriz A
if (dimensionado == false) {
if (DimOfSis.getText()=="0") {
value = 2;
} else {
value = Integer.parseInt(DimOfSis.getText());
dimensionado = true;
Ativar.setEnabled(false);
System.out.println(value);
} else {
Ativar.setEnabled(false);
Calcular.setEnabled(true);
podecalc = true;
try {
InitValores( DataTable, value );
} catch (Exception e) {
System.out.println("Erro ao criar matriz" + e );
private class myHandler2 implements ItemListener {
public void itemStateChanged( ItemEvent event ){
private void InitValores( JTable table, int n ) {
A = new double[n][n];
B = new double[n];
javax.swing.table.TableModel model = table.getModel();
for ( int i = 0 ; i < n ; i++ ){
for (int j = 0 ; j < n ; j++ ){
Object temp1 = model.getValueAt(i,j);
String temp2 = String.valueOf(temp1);
A[i][j] = Double.parseDouble(temp2);

What I did is set up a :
// This code will setup a listener for the table to handle a selection
players.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
ListSelectionModel rowSM = players.getSelectionModel();
rowSM.addListSelectionListener(new Delete_Player_row_Selection(this));
//Class will take the event and call a method inside the Delete_Player object.
class Delete_Player_row_Selection
implements javax.swing.event.ListSelectionListener
Delete_Player adaptee;
Delete_Player_row_Selection (Delete_Player temp)
adaptee = temp;
public void valueChanged (ListSelectionEvent listSelectionEvent)
adaptee.row_Selection(listSelectionEvent);
in the row_Selection function
if(ex.getValueIsAdjusting()) //To remove double selection
return;
ListSelectionModel lsm = (ListSelectionModel) ex.getSource();
if(lsm.isSelectionEmpty())
System.out.println("EMtpy");
else
int selected_row = lsm.getMinSelectionIndex();
ResultSetTableModel model = (ResultSetTableModel) players.getModel();
String name = (String) model.getValueAt(selected_row, 1);
Integer id = (Integer) model.getValueAt(selected_row, 3);
This is how I got info out of a table when the user selected it

Fetch the value from memory ID in ASR_PROCESS_EXECUTE

Hi all,
I am using the standard WD4A component HRASR00_PROCESS_EXECUTE and it's application ASR_PROCESS_EXECUTE. I have one doubt in the parameter tab of the application ASR_PROCESS_EXECUTE.
Actually there is a parameterPERNR_MEM_ID, I think this is the parameter by which we can set the value parameter(PERNR) into memory ID and retrieve the value(PERNR), when this application triggered.
But I don't know how to to this, if this is the right approach.
Can anyone please suggest me how can I retrieve the value from memory ID when ASR_PROCESS_EXECUTE application actually trigged.
Please suggest.
Thanks
Sanket sethi

Hi Manas,
Thanks for your reply. Actually I am facing one issue, If I pass the Memory ID as "ECC01" and set the process name in Process parameter, then the form will open by skipping the Select employee and select Process.
But in the case of MSS, ehen I am passing the memory ID as "MSS01" and set the process in Process parameter, then it will not open the form screen dirctly. It will then open the Initial screen Select Employee for ASR_PROCESS_EXECUTE.
It is because of the multiple PERNR are available for the Manager. Do I open the form dirctly for Manager also.
Please suggest.
I have found a blog HCM Processes & Forms: The Many Faces and Frustrations of the Start Application by Chris Solomon for this.
Please go through the link to open the form directly:
/people/christopher.solomon/blog/2010/02/01/hcm-processes-forms-the-many-faces-and-frustrations-of-the-start-application
Please suggest if you have any idea on how to achieve this.

Fetch the value from combobox

we have two jsp files:-
1. fundtrans.jsp
2. update.jsp
in file 1 we used 2 combobox and 1 textbox, we retrieved values in comboboxes from database.Now user select any value from both combobox and we want to send that value in next jsp page. After submitting values in both combobox and textbox , the database table updates.
my problem is that we are not able to use the selected value in combobox on next jsp page

Get the values and put it in the session (in your action class), then using session.getAttribute, get the values back in your another jsp.
OR
Put the selected values in the hidden field (do it in the javascript), using getter and setter method get the value back.

Get the value from a selected row in a table

Hi all,
My table contains a tree structure.
When I select a single row, I need to get the value of a particular column.
I created an action on the leadSelect of the table and gave the following code:
public void onActionleadValue(com.sap.tc.webdynpro.progmodel.api.IWDCustomEvent wdEvent )
    //@@begin onActionleadValue(ServerEvent)
    String strLeadValue = wdContext.nodeAttribute_View_Out().currentAttribute_View_OutElement().getAttributeAsText("<MyModelAttributename>");
    wdComponentAPI.getMessageManager().reportSuccess("selected lead value "+strLeadValue);
    wdContext.currentContextElement().setLeadselectedvalue(strLeadValue);
    //@@end
My Bapi returns me 6 records. and when I click on any row its always pointing to the last record value.
What could be the problem?
Thanks
Anjana

Hi Anjana,
Try this.
try
     IWDMessageManager msg = wdComponentAPI.getMessageManager();
     int leadselect = wdContext.nodeSChild1().getLeadSelection();
      for(int i=0;i<wdContext.nodeSChild1().size();i++)
          if(leadselect == i)
          //Displaying output in diff table
//           IPublicTestComp.ITableNodeElement tabelm = wdContext.createTableNodeElement();
//           tabelm.setAttribute1(wdContext.nodeSChild1().getSChild1ElementAt(i).getAttribute1());
//           tabelm.setAttribute2(wdContext.nodeSChild1().getSChild1ElementAt(i).getAttribute2());
//           tabelm.setAttribute3(wdContext.nodeSChild1().getSChild1ElementAt(i).getAttribute3());
//           wdContext.nodeTableNode().addElement(tabelm);
          String att1 = wdContext.nodeSChild1().getSChild1ElementAt(i).getAttribute1();
          String att2 = wdContext.nodeSChild1().getSChild1ElementAt(i).getAttribute2();
          String att3 = wdContext.nodeSChild1().getSChild1ElementAt(i).getAttribute3();
                 msg.reportSuccess("Row ("i") : "att1"====="att2"======"+att3);
} catch (WDDynamicRFCExecuteException e) {
     wdComponentAPI.getMessageManager().reportException("Message : "+ e.getMessage(),true);
Regards,
Mithu

Fetch the value from a HashMap through EL

Hi,
I have this question,
how can we get a value from a HashMap through EL. is there any way to do that.
for example i have a hashmap in my bean and i want to place the value of of certain attributes on the page. specific to the key values in the hashmap.

Just by the key.
${bean.map.key}roughly resolves to bean.getMap().get(key).

Dynamic selection screen fetching the value from table fields

hi gurus,
i have one table say ztable...and i should create a dynamic selection screen which should populate the selection screen by the table field names.
example..if i have 3 fields im my table..my selection screen should have three selection option fields..and in future if i add one more field in my table it should automatically create another slection-option in selection screen..
thanks
Sudheer

Do you mean like SE16 works. If so, you should notice that if you amend the selection fields, the screen program is actually re-generated.
That is what is happening. A program is being created and re-generated.
To create a dynamic selection screen in a single program is not possible ( I may be wrong ). If it is possible, then you would have problems in defining selection screen field names and using them.

Fetching multiple values from XML node

Hi,
I have the below XML string / Data stored in one of a table column. I am trying to extract the values of ITEM_NAME node. using the query :
select extractvalue(xml_data, '/BILL/BILL_DTL/RECORD/ITEM_NAME') from XMLTable;
If i use this query i am getting the error as : ORA-19025 EXTRACTVALUE returns value of only one node
XML String / XML data
<BILL>
.....<BILL_NO>1000</BILL_NO>
.....<SRNO>3456</SRNO>
.....<BILL_DTL>
........<RECORD>
...........<LINE_NO>1</LINE_NO>
...........<ITEM_NAME>TOYOTA COROLLA</ITEM_NAME>
........</RECORD>
........<RECORD>
..........<LINE_NO>2</LINE_NO>
..........<ITEM_NAME>NISSAN CEDRIC</ITEM_NAME>
.......</RECORD>
.....</BILL_DTL>
</BILL>
The structure of the table is given below.
SQL> DESC XMLTABLE;
Column_Name ---------------Type
DOC_ID -------------------------NUMBER
XML_DATA --------------------XMLTYPE
What will be the query to fetch the values from the ITEM_NAME node.
Thanks & Regards

A late answer but just to show that it can be done with XMLTable (the built-in Oracle function) when you expect to return multiple rows from one input.
WITH XMLTable AS
(SELECT XMLTYPE('<BILL>
   <BILL_NO>1000</BILL_NO>
   <SRNO>3456</SRNO>
   <BILL_DTL>
      <RECORD>
         <LINE_NO>1</LINE_NO>
         <ITEM_NAME>TOYOTA COROLLA</ITEM_NAME>
      </RECORD>
      <RECORD>
         <LINE_NO>2</LINE_NO>
         <ITEM_NAME>NISSAN CEDRIC</ITEM_NAME>
          </RECORD>
     </BILL_DTL>
</BILL>') xml_data
   FROM dual
SELECT item_name
FROM XMLTable,
       XMLTable('/BILL/BILL_DTL/RECORD'
                PASSING xml_data
                COLUMNS
                   item_name VARCHAR2(25) PATH 'ITEM_NAME'
Returns
ITEM_NAME
TOYOTA COROLLA
NISSAN CEDRIC

Eliminate the values from internal table

I have an internal table with fields..
begin of it occurs 0,
ebeln
matkl
werks
end of it.
its filled with values..
ebeln | matkl | werks |
12111 |   A123 | LK
12111 |   A123 | LK
12111 |   A123 | LK
12111 |   A123 | LK
12111 |   A123 | LK
12111 |   A123 | LN
12121 |   A124 | LK
12121 |   A124 | LK
12121 |   A124 | LK
12122 |   A125 | LK
12122 |   A125 | LK
12122 |   A125 | LK
12123 |   A126 | LN
12123 |   A126 | LN
Now I want to eliminate the values from the internal table where all ebeln and werks are different..for example..all 12111's should be eliminated from the internal table as the it has different werks assighned to one of the ebeln's..and I need only ebeln's with 12121 and 12123.
Any suggention would be helpful..
Thanks,
M/

Hi,
DATA : v_ebeln LIKE table name-ebeln,
            v_werks LIKE table name--werks.
SORT itab BY ebeln werks .
LOOP AT ITAB.
ON CHANGE OF itab-ebeln.
      Move : itab-ebeln TO v_ebeln,
                itab-werks TO v_werks.
   ENDON.
   IF ITAB-ebeln NE v_ebeln OR
      ITAB-werks NE v_werks.
   DELETE ITAB WHERE ebeln EQ ITAB-ebeln .
    clear : v_ebeln , v_werks.
ENDIF.
ENDLOOP.

How to get the values from table SKB1 R/3 to SRM

Hi Gurus,
My requirement is to get all the values from the table SKB1 to SRM (i.e. in to an internal table) for doing some validation(G/L account XXXXXX requires an assignment to a CO objectXXXXXX.)
Like wise I have many tables for doing validation in SRM
Help me how to get this, suggest me any Function module with sample code.
OR
Any Standard FM which will give all the values of the fields in the table SKB1 when I pass the key fields G/L account & company code alone so that I can improve the performance.
Suggest me.
Regards
Paul

Hi,
You can use the FM 's META_READ_TABLE Or RFC_READ_TABLE
Which SRM / Backend system version are you using ?
Are you taking care of the Importing paramater - DELIMITER in this case.. ??*
See related links ->
Re: Retrieving data from R/3 into SRM
Re: Product Search TIME lag
Else you can just call the remote enabled FM "BAPI_GL_ACC_GETDETAIL" from SRM.
BR,
Disha.
Do reward points for useufl answers.

How to retrieve the values from a table if they differ in Unit of Measure

How to retrieve the values from a table if they differ in Unit of Measure?

If no data is read
- Insure that you use internal code in SELECT statement, check via SE16 desactivating conversion exit on table T006A. ([ref|http://help.sap.com/saphelp_nw70/helpdata/en/2a/fa0122493111d182b70000e829fbfe/frameset.htm])
If no quanity in result internal table
- There is no adqntp field in the internal table, so no quantity is copied in itab ([ref|http://help.sap.com /abapdocu_70/en/ABAPINTO_CLAUSE.htm#&ABAP_ALTERNATIVE_1@1@]).
- - Remove the CORRESPONDING, so quantity will fill the first field adqntp1. ([ref|http://help.sap.com/abapdocu_70/en/ABENOPEN_SQL_WA.htm])
- - Then loop at the internal table and move the quantity when necessary to the 2 other fields.
* Fill the internal table
SELECT msehi adqntp
INTO TABLE internal table
FROM lipso2
WHERE vbeln = wrk_doc1
    AND msehi IN ('KL','K15','MT').
* If required move the read quantity in the appropriate column.
LOOP AT internal_table ASSIGNING <fs>.
CASE <fs>-msehi.
    WHEN 'K15'.
      <fs>-adqnt2 = <fs>-adqnt1.
      CLEAR <fs>-adqnt1.
    WHEN 'MT'.
      <fs>-adqnt3 = <fs>-adqnt1.
      CLEAR <fs>-adqnt1.
ENDCASE.
ENDLOOP.
- You could also create another table with only fields msehi and adqntp and then collect ([ref|http://help.sap.com/abapdocu_70/en/ABAPCOLLECT.htm]) the data to another table.
Regards,
Raymond

How to display the values from the table in the screen

Hi,
I have created a screen where i will enter the values for the field treshold amount and desc and if i press update button .it will update the new values by overriting the existing values .
Now i have got requirement i need to create a button show which will display the existing value from the table. always there will be only one entry...in this table
Please can one give me idea...to do this
or sample code...thanks in advance
regards
paveeeeee

Define a function code 'SHOW' for your button. In your PAI module, when you check for various sy-ucomms, check for 'SHOW' also.
Your code will be like this:
Case sy-ucomm.
when 'SHOW'.
perform show_details.
endcase.
In the perform, you can fetch the data from the table and put it in global variables. In the PBO, move the data from the global variables to the screen fields so that they get displayed on the screen.
Hope this helps. Reward points for useful answers.
Regards
Nithya

Fetch the values from internal table inside an internal table (urgent!!)

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