Passing Multiple values from jsp to servlet

Dear all,
I am trying to do a very simple thing. I need to pass names of all products that have been added to the cart.
Below is my jsp. Basically I am trying to make something very basic using ajax, and later actually build it.
heres my code with 2 questions... all I need to do is to pass the names of the products.
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML>
<HEAD>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
     pageEncoding="ISO-8859-1"%>
<META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<META name="GENERATOR" content="IBM Software Development Platform">
<TITLE>ShowCart.jsp</TITLE>
</HEAD>
<script>
xhr = null
var flag = false;
var amount = 0;
function getData(url,divid,prodName){
          var as = "added"+divid // this is the divid
          if (document.getElementById(as)!=null)
               document.getElementById(as).innerHTML ="adding"
       if (window.XMLHttpRequest){
         xhr=new XMLHttpRequest()
       else if (window.ActiveXObject){
         xhr=new ActiveXObject("Microsoft.XMLHTTP")
       if (xhr){
          xhr.onreadystatechange=callback
         xhr.open("GET",url,true)
         xhr.send(null)
         setDivid(as);
         updateCart(divid,prodName);
       else{
         alert("XMLHTTP not supported")
function setDivid(as){
if(flag){
     document.getElementById(as     ).style.backgroundColor = "RED";
        document.getElementById(as).innerHTML = "item added";
function updateCart(divid,prodName){
amount += divid;
document.getElementById("amount").innerHTML = "price is "+amount;
udpateSubmitData(prodName);
function updateSubmitData(prodName){
var = document.getElementById("Hidden"+prodName).value;
//do I need to do something here to submit the data ? ------------------1
function callback(dd){
       // when finished
       if (xhr.readyState==4){
              // OK
              if (xhr.status==200){
             // process the result.
              flag = true;
       else{
              alert("error")
</script>
<BODY>
<P>Place content here.</P>
The products are :
<%
if(request.getAttribute("Products")!= null){
java.util.ArrayList list = new java.util.ArrayList();
list = (java.util.ArrayList)request.getAttribute("Products");
for(int i=0; i<list.size(); i++){
com.deere.sc.bean.ProductBean pb1 = new com.deere.sc.bean.ProductBean();
pb1 = (com.deere.sc.bean.ProductBean)list.get(i);;
%>
<table>
<td>
<% out.println(pb1.getProductName());
     out.println(pb1.getProductPrice());
     %> <td> <div id="added<%= i %>"> </div> </td>
<td>     <a href = "javaScript:getData('/SC/AddToCart?name=<%= pb1.getProductName() %>',<%= i %>,<%= pb1.getProductName() %>);"> add to cart</a> </td>
     <input type="hidden" id="Hidden<%= pb1.getProductName() %>" value ="<%= pb1.getProductName() %>">
     </td>
     <%
}//end for
}//end if
%>
</table>
Thank you for shopping at the looters .. heh ;)
Total amount of money in your cart is <div id ="amount"> </div>
     <a href = "/SC/CheckOut">Check out cart</a>

</BODY>
</HTML>Any help on tips for proceeding from here will be helpful.
thanks in advance

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Hi All,
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temp_TAB_e_name(i),
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user9041629 wrote:
Hi All,
i am facing a problem in passing multiple values as out parameters from for loop.
EX:
i have a select statment inside a loop like.....
PACKAGE SPEC:
create or replace PACKAGE EMP_PKG AS
TYPE TAB_NUM IS TABLE OF SCOTT.EMP.EMPNO%TYPE;
TYPE TAB_NAME IS TABLE OF SCOTT.EMP.ENAME%TYPE;
TYPE TAB_JOB IS TABLE OF SCOTT.EMP.JOB%TYPE;
temp_table TAB_NUM;
procedure test(temp_TAB_e_no OUT TAB_NUM,
temp_TAB_e_name OUT TAB_NAME,
temp_TAB_e_job OUT TAB_JOB);
END EMP_PKG;
PACKAGE BODY:
create or replace PACKAGE BODY EMP_PKG AS
v_e_no NUMBER;
procedure test(temp_TAB_e_no OUT TAB_NUM,
temp_TAB_e_name OUT TAB_NAME,
temp_TAB_e_job OUT TAB_JOB) IS
BEGIN
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for i in 1..temp_table.count loop
v_e_no := temp_table(i);
select empno,
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job
into temp_TAB_e_no(i),
temp_TAB_e_name(i),
temp_TAB_e_job(i)
from emp
where empno = v_e_no;
end loop;
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PROBLEM FACING IS:
I am expecting all rows returning from bellow select statment ...
select empno,
ename,
job
into temp_TAB_e_no(i),
temp_TAB_e_name(i),
temp_TAB_e_job(i)
from emp
where empno = v_e_no;
But,while running the SP , i am getting error like
ORA-06531: Reference to uninitialized collection
ORA-06512: at "SCOTT.EMP_PKG", line 16
why i am not getting all values as out parameters.please provide a solution for me.
Thanks in advance my friend.Probably not a bad thing that this isn't working for you.
This is a horrible way to return the contents of a table.
Are you doing this for educational purpose, or ... what is your goal here? If you just want to return a result set to a client you'd want to look in to using a REF CURSOR and not a bunch of arrays combined with horribly procedural (slow) code.

Passing Multiple values from jsp to servlet

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