How to get Max value in String
Example
Col1
A
B
Expected Answer IS
B.
Check this:
SQL> ed
Wrote file afiedt.buf
1 with t as (select 'BZZZ' col from dual union select 'BACD' from dual)
2* select max(col) from t
SQL> /
MAX(
BZZZ
SQL> The first character is 'B', so it looks for next character which is "Z" for first value and "A" for second value, and it returns first value.
Similar Messages
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How to get the value of String in integer type
how to get the value of String in integer
{color:#0000ff}http://java.sun.com/javase/6/docs/api/java/lang/Integer.html#parseInt(java.lang.String)
http://java.sun.com/javase/6/docs/api/java/lang/Integer.html#valueOf(java.lang.String){color} -
How to get Max value in Essbase
Hi,
I have problem to get max value from 3 years in Essbase.
How can i get max value from Dec 2009,Dec 2010, Dec 2011.
Suppose value of Dec 2009 = 1000, Dec 2010 = 1500 and Dec 2011 = 2000
I want to get max value from these three value, how can i do that in Essbase Calculation Script.
Any idea?
Thanks.
Regards,
JoniYou have not specified if year and period are separate dimensions, anyway as always there a number of different possbilities and I don't have much time today to think about it but one method could be to use @MAXRANGE
FIX(Other members to fix on,"Dec")
"MemberToStoreAgainst" = @MAXRANGE("MemberToFindMaxRangeFor","2009:"2011");
ENDFIX
Cheers
John
http://john-goodwin.blogspot.com/ -
How to get max value of a column in VO?
Hi ,
i need to find the max value of a column named insured value in VO.
Please help!!Hi,
If this value is cuming from the Query then u can easily go for MAX function. If its a user enterable value then u need to iterate through all the rows for that column to find the max of them.
Let me know.
Regards,
Gyan -
How to get each value from a parameter passed like this '(25,23,35,1)'
Hi
One of the parameter passed to the function is
FUNCTION f_main_facility(pi_flag_codes VARCHAR2) return gc_result_set AS
pi_flag_codes will be passed a value in this way '(25,23,35,1)'
How to get each value from the string
like 25 first time
23 second time
35 third time
1 fourth time
I need to build a select query with each value as shown below:-
(SELECT t2.org_id, t4.description
from org_name t2, ref_org_name t3, code_table t4
where t2.att_data = t4.code
and t3.ref_code = t2.att_type
and t2.att_type = 25 and t3.code_type = t4.code_type
and to_date('01-JAN-10', 'DD-MON-YY') between t2.att_start_date AND t2.att_end_date) q1,
(SELECT t2.org_id, t4.description
from org_name t2, ref_org_name t3,code_table t4
where t2.att_data = t4.code
and t3.ref_code = t2.att_type
and t2.att_type = 23 and t3.code_type = t4.code_type
and to_date('01-JAN-10', 'DD-MON-YY') between t2.att_start_date AND t2.att_end_date) q2,
(SELECT t2.org_id, RTRIM(xmlagg(xmlelement(e, t4.description || ';')
ORDER BY t4.description).EXTRACT('//text()'), ';') AS DESCRIPTION
from org_name t2, ref_org_name t3,code_table t4
where t2.att_data = t4.code
and t3.ref_code = t2.att_type
and t2.att_type = 35 and t3.code_type = t4.code_type
and to_date('01-JAN-10', 'DD-MON-YY') between t2.att_start_date AND t2.att_end_date
group by t2.org_id) q3,
(SELECT t2.org_id, t4.description
from org_name t2, ref_org_name t3, code_table t4
where t2.att_data = t4.code
and t3.ref_code = t2.att_type
and t2.att_type = 1 and t3.code_type = t4.code_type
and to_date('01-JAN-10', 'DD-MON-YY') between t2.att_start_date AND t2.att_end_date) q4
Please help me with extracting each alue from the parm '(25,23,35,1)' for the above purpose. Thank You.chris227 wrote:
I would propose the usage of regexp for readibiliy purposes and only in the case if this doesnt perform well, look at solutions using substr etc.
select
regexp_substr( '(25,23,35,1)', '\d+', 1, 1) s1
,regexp_substr( '(25,23,35,1)', '\d+', 1, 2) s2
,regexp_substr( '(25,23,35,1)', '\d+', 1, 3) s3
,regexp_substr( '(25,23,35,1)', '\d+', 1, 4) s4
from dual
S1 S2 S3 S4
"25" "23" "35" "1"In pl/sql you do something like l_val:= regexp_substr( '(25,23,35,1)', '\d+', 1, 1);
If t2.att_type is type of number you will do:
t2.att_type= to_number(regexp_substr( '(25,23,35,1)', '\d+', 1, 1))Edited by: chris227 on 01.03.2013 08:00Sir,
I am using oracle 10g.
In the process of getting each number from the parm '(25,23,35,1)' , I also need the position of the number
say 25 is at 1 position.
23 is at 2
35 is at 3
1 is at 4.
the reason I need that is when I build seperate select for each value, I need to add the query number at the end of the select query.
Please see the code I wrote for it, But the select query is having error:-
BEGIN
IF(pi_flag_codes IS NOT NULL) THEN
SELECT length(V_CNT) - length(replace(V_CNT,',','')) FROM+ ----> the compiler gives an error for this select query : PLS-00428:
*(SELECT '(25,23,35,1)' V_CNT FROM dual);*
DBMS_OUTPUT.PUT_LINE(V_CNT);
-- V_CNT := 3;
FOR L_CNT IN 0..V_CNT LOOP
if L_CNT=0 then
V_S_POS:=1;
V_E_POS:=instr(pi_flag_codes, ',', 1, 1)-1;
else
V_S_POS:=instr(pi_flag_codes,',',1,L_CNT)+1;
V_E_POS:=instr(pi_flag_codes, ',', 1, L_CNT+1)-V_S_POS;
end if;
if L_CNT=V_CNT then
V_ID:=TO_NUMBER(substr(pi_flag_codes,V_S_POS));
else
V_ID:=TO_NUMBER(substr(pi_flag_codes,V_S_POS,V_E_POS));
end if;
VN_ATYPE := ' t2.att_type = ' || V_ID;
rec_count := rec_count +1;
query_no := 'Q' || rec_count;
Pls help me with fetching each value to build the where cond of the select query along with the query number.
Thank You. -
How to get column value from DB grid
Hi!
I wander how to get col value from GridControl?
My app consists of one rowsetinfo with two
columns CODE and DESCRIPTION and a jbutton
titled SELECT. When user clicks SELECT button
the app should show the value of the CODE col
of the selected row in GridControl.
I wander how to make this action ?
XxpsTransTimesMasterIter.setAttributeInfo( new AttributeInfo[] {
CODEXxpsTransTimesMasterIter,
DESCRIPTIONXxpsTransTimesMasterIter} );
XxpsTransTimesMasterIter.setName("XxpsTransTimes");
XxpsTransTimesMasterIter.setQueryInfo(new QueryInfo(
"XxpsTransTimesMasterIterViewUsage",
"lov.XxpsTransTimes",
"CODE, DESCRIPTION",
"XXPS_TRANS_TIMES",
null,
null
));Hi,
You could attach an ActionListener on the JButton, and try the following code :
NavigationManager fm = NavigationManager.getNavigationManager();
DataItem dataItem = fm.getFocusedControl().getDataItem();
ImmediateAccess col_code = null;
String code = null;
if (dataItem != null && dataItem instanceof RowsetAccess) {
RowsetAccess rowset = (RowsetAccess)dataItem;
try {
col_code = (ImmediateAccess) rowset.getColumnItem("CODE");
code = col_code.getValueAsString();
} catch (DuplicateColumnException de) {
return;
} catch (ColumnNotFoundException ce) {
return;
} catch (SQLException se) {
return;
JTextField tf = new JtextField();
tf.setText(code);
I haven't tested this code.
I am curious to know, the Object type of the dataItem.If it doesnot happen to be RowsetAccess ..try.. ScrollableRowsetAccess OR ImmediateAccess.
Your code would change accordingly, depending on the instance.Refer to the product documentation for this.
Do let me know, if this works.
TIA
Sandeep -
How to get selected value from OADefaultListBean.
Hi All,
How to get selected value from OADefaultListBean ?
Thanks,Hi,
To identify the user's selection(s) when the page is submitted, you would add the following logic to your processFormRequest() method:
OADefaultListBean list =
(OADefaultListBean)webBean.findChildRecursive("positionsList");
String name = list.getName();
String[] selectedValues = pageContext.getParameterValues(name);
To retrieve all the values in the list box, call list.getOptionsData().
--Prasanna -
How to get attribute value from standard page ?
Hi,
How to get attribute value from standard page ?
String str = (String)vo.getCurrentRow().getAttrbute("RunId");
But this value is returning a null value ....
Can anyone help me to get this attribute value which is actually having a actual value .getCurrentRow() would always return null if no setCurrentRow() is used.
Please check the page design and understand how many rows of VO are there. You can also use the following to get the row:
vo.reset();
vo.next();
Regards
Sumit -
How to get submitted Value from SelectOneMenu?
Hi.
At the beginning, i would like to say, that i am at the beginning to learn JSP and JSF. I am from germany, so please excuse my english.
For work i have to develop a form, where the user can select a manufacturer, insert a unique key and get a list of devices after he submits this two attributes.
At the moment i can not get the value of the selected Item in the selectonemenu.
I deleted all my trys to get this value, to show you the working parts.
We work with faces-config.xml, tiles.xml and hybris as platform.
My code:
deviceFamilyMain.jsp:
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<h:form id="frmDeviceFamilySelect">
<h:selectOneMenu binding="#{DeviceFamilyBean.selectOneMenuDeviceFamilies}" id="selectOneMenuDeviceFamilies">
<f:selectItems binding="#{DeviceFamilyBean.dropdownDeviceFamilySelectItems}" id="dropdownDeviceFamilySelectItems" />
</h:selectOneMenu>
<h:commandButton action="#{DeviceFamilyBean.detailsAction}" value="Main"/>
</h:form>
DeviceFamilyBean:
public class DeviceFamilyBean extends TC_JSFBean
//selectOneMenuDeviceFamilies
HtmlSelectOneMenu selectOneMenuDeviceFamilies = new HtmlSelectOneMenu();
public HtmlSelectOneMenu getSelectOneMenuDeviceFamilies() {
return selectOneMenuDeviceFamilies;
public void setSelectOneMenuDeviceFamilies(HtmlSelectOneMenu selectOneMenuDeviceFamilies) {
this.selectOneMenuDeviceFamilies = selectOneMenuDeviceFamilies;
//dropdownDeviceFamilySelectItems
private UISelectItems dropdownDeviceFamilySelectItems = new UISelectItems();
public UISelectItems getDropdownDeviceFamilySelectItems() {
Object objFacesSession = FacesContext.getCurrentInstance().getApplication()
.getVariableResolver().resolveVariable(getFacesContext(), "SessionBean");
SessionBean sessionBean = (SessionBean) objFacesSession;
dropdownDeviceFamilySelectItems.setValue(getDropdownDeviceFamilyDefaultItems());
return dropdownDeviceFamilySelectItems;
public void setDropdownDeviceFamilySelectItems(UISelectItems dropdownDeviceFamiliesSelectItems) {
this.dropdownDeviceFamilySelectItems = dropdownDeviceFamiliesSelectItems;
//dropdownDeviceFamilyDefaultItems
private ArrayList dropdownDeviceFamilyDefaultItems = new ArrayList();
public ArrayList getDropdownDeviceFamilyDefaultItems() {
Object objFacesSession = FacesContext.getCurrentInstance().getApplication()
.getVariableResolver().resolveVariable(getFacesContext(), "SessionBean");
SessionBean sessionBean = (SessionBean) objFacesSession;
TC_Manager tcDeviceFamilyManager = TC_Manager.getInstance();
dropdownDeviceFamilyDefaultItems.clear();
Collection col = this.getAllDeviceFamilies();
Iterator itDev = col.iterator();
while (itDev.hasNext())
DeviceFamily deviceFamily = (DeviceFamily) itDev.next();
dropdownDeviceFamilyDefaultItems.add(new SelectItem(deviceFamily.getCode()));
return dropdownDeviceFamilyDefaultItems;
public void setDropdownDeviceFamilyDefaultItems(ArrayList dropdownDeviceFamilieDefaultItems) {
this.dropdownDeviceFamilyDefaultItems = dropdownDeviceFamilieDefaultItems;
//OutputText DeviceFamily Name
private HtmlOutputText outputTextDevFamName = new HtmlOutputText();
public HtmlOutputText getOutputTextDevFamName()
Object obj = FacesContext.getCurrentInstance().getApplication()
.getVariableResolver().resolveVariable(getFacesContext(), "SessionBean");
SessionBean sessionBean = (SessionBean) obj;
if (sessionBean.getCurrentDeviceFamily() != null)
outputTextDevFamName.setValue(sessionBean.getCurrentDeviceFamily().getCode());
} else {
outputTextDevFamName.setValue("CurDevFam = null");
return outputTextDevFamName;
public void setOutputTextDevFamName(HtmlOutputText outputTextDevFamName) {
this.outputTextDevFamName = outputTextDevFamName;
//detailsAction
public String detailsAction()
Object objFacesSession = FacesContext.getCurrentInstance().getApplication()
.getVariableResolver().resolveVariable(getFacesContext(), "SessionBean");
SessionBean sessionBean = (SessionBean) objFacesSession;
//sessionBean.setCurrentDeviceFamily((DeviceFamily) this.getDropdownDeviceFamilySelectItems().getValue());
return "go_devicefamily_details";
SessionBean:
private DeviceFamily currentDeviceFamily;
public DeviceFamily getCurrentDeviceFamily() {
return currentDeviceFamily;
public void setCurrentDeviceFamily(DeviceFamily currentDeviceFamily) {
this.currentDeviceFamily = currentDeviceFamily;
go_devicefamily_details is referenced to deviceFamilyDetails:
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<f:view>
<h:form id="frmDevFamDetails">
<h:outputText value="#{DeviceFamilyBean.outputTextDevFamName}" />
</h:form>
</f:view>I hope i did not forget anything needfull.
Maybe someone could explain how to get the value and complete the code.
Thanks.Thx 4 the tip.
I found an other way. It was such easy, that i could kick myself. :-)
Only in the detailsAction() i needed:
sessionBean.setCurrentDeviceFamilyName((String) this.getSelectOneMenuDeviceFamilies().getValue());
I allways looked for dropdownDeviceFamilySelectItems and tryed to get the selected Index, but it is the HtmlSelectOneMenu that carries the value. :-(
The DeviceFamily Class is an HybrisObject and not easy to initialize.
I just created a new String (currentDeviceFamilyName).
Now it works. -
How to get return value from Java runtime.getRuntime.exec?
I'm running shell commands from an Oracle db (11gr2) on aix.
But, I would like to get a return value from a shell comand... like you get with "echo $?"
I use a code like
CREATE OR REPLACE JAVA SOURCE NAMED common."Host" AS
import java.io.*;
public class Host {
public static int executeCommand(String command) {
int retval=0;
try {
String[] finalCommand;
finalCommand = new String[3];
finalCommand[0] = "/bin/sh";
finalCommand[1] = "-c";
finalCommand[2] = command;
final Process pr = Runtime.getRuntime().exec(finalCommand);
pr.waitFor();
catch (Exception ex) {
System.out.println(ex.getLocalizedMessage());
retval=-1;
return retval;
/but I do not get a return value... because I don't know how to get return value..
Edited by: user9158455 on 22-Sep-2010 07:33Hi,
Have your tried pr.exitValue() ?
I think you also need a finally block that destroys the subprocess
Regards
Peter -
How to get argument value from portal desktop URL
hi,guys
I have a question ,it is how to get argument value.see:
in one portal desktop,I have a hyperlink like this
http://localhost:7001/TestPortal/appmanager/testPortal/testDST?eventId=1
after click,then will be switch another desktop "testDST"
I tried to get value from request,but failure.
@RequestMapping
public String listTestList(RenderRequest request, RenderResponse response,ModelMap model) {
//HttpServletRequest httpRequest = (HttpServletRequest) ; //request.getAttribute("javax.portlet.portletc.httpServletRequest");
//log.debug("httprequest eventId>>>" + httpRequest.getParameter("eventId"));
log.debug("render request eventId>>>" + request.getParameter("eventId"));
I can't get this value from request,also tried httpServeltRequest,but httpServletRequest can't get,it is null;
so ,how to get this value,thank you very much.
regards
arisHello,
It is true for JSR168 portlets that you can't just arbitrarily set parameters on a URL and get access to them inside your portlet- you must use the appropriate APIs on the PortletURL class to set parameters that you can retrieve. This is the only portable (standards-compliant) way to implement the functionality you want.
However, for your particular use-case, you can get the URL parameters from the (non-JSR168) HttpServletRequest object. The only reason you are getting a null object for that is because the attribute name is wrong. This should work:
HttpServletRequest httpRequest = (HttpServletRequest)(request.getAttribute("javax.servlet.request"));
String eventId = httpRequest.getParameter("eventId");
Kevin -
How to get the values from html:select? tag..?
i tried with this, but its not working...
<html:select styleClass="text" name="querydefs" property="shortcut"
onchange="retrieveOptions()" styleId="firstBox" indexed="true">
<html:options collection="advanced.choices" property="shortcut" labelProperty="label" />
</html:select>
<td align="left" class="rowcolor1">
<script language="javascript" type="text/javascript">
function retrieveOptions(){
var sel = document.querydefs.options;
var selectedOption = sel[sel.selectedIndex].value;
document.write(selectedOption);
</script><td align="left" class="rowcolor1">
<script language="javascript" type="text/javascript">
function retrieveOptions(){
var sel = document.querydefs.options;
var selectedOption = sel[sel.selectedIndex].value;
document.write(selectedOption);
</script>This java script is not working at all..its not printing anything in document.write();
This is code..
<td class="rowcolor1" width="20%">
<html:select styleClass="text" name="querydefs" property="shortcut"
onchange="retrieveSecondOptions()" styleId="firstBox"
indexed="true">
<html:options collection="advanced.choices" property="shortcut"
labelProperty="label" />
</html:select>i tried with this also. but no use..i'm not the getting the seleced option...
function retrieveOptions(){
firstBox = document.getElementById('firstBox');
if(firstBox.selectedIndex==0){
return;
selectedOption = firstBox.options[firstBox.selectedIndex].value;
}actually , how to get the values from <html:select> ...?
my idea is to know which value is selected from the combo box(<html:select> ) if that value is equal some string i have enable a hyperlink to open a popup window -
How to get the values of the fields inside pageFragment
Hi All,
I am working on Jdeveloper 11.1.1.5.
I have a fragment "home.jsff", in that fragment i have two textboxes(txt1,txt2);
Then i have created a bounded taskflow "myTF"and dragged the home.jsff inside it and used as a default activity.
Now finally i have "final.jspx" , in which i have dragged and dropped the bounded taskflow "myTF" as a region.
Scenario : - I have a button on final.jspx , and on click of that button i need to get the value of those two textboxes using bindings which is present in fragment .
On Click of button,I am using this method of pageDef and i am able to get the values :-
jsfUtils.resolveExpression("#{data.abc_homePageDef.txt1.inputValue}");
but somehow it gives me null in some conditions.I don't know why it sometimes gives the value and why it doesn't.
I have seen this video in which Frank has told about the API Mistakes : -
http://download.oracle.com/otn_hosted_doc/classic_api_mistakes_part1/classic_api_mistakes_part1.html
and i did the same mistake but what is the another approach .
If i need to get the current value of txt1, then how can i get it??
What is the best approach to get the values of the pageFragment attributes and how to use it ?
Please suggest!!!
Regards,
ShahHi Tulasi,
As i have said that i am trying to get the values on the click of button(*not on page load*) situated on final.jspx page.
On click of button i am using this code to get the values :-
public String getValueTextBox()
Object valueTXT= getBoundAttributeValue("txt1");
logger.info("value is"+ valueTXT); *// It shows the value as null.*
return null;
public Object getBoundAttributeValue( String attributeName) {
BindingContext bctx = BindingContext.getCurrent();
BindingContainer bindingContainer = bctx.findBindingContainer("abc_homePageDef");
if (bindingContainer != null) {
ControlBinding ctrlBinding = bindingContainer.getControlBinding(attributeName);
if (ctrlBinding instanceof AttributeBinding) {
return (AttributeBinding)ctrlBinding;
return null;
Please suggest!!!
Regards,
Shah -
How to get the values of the objects inside an object??
Hi,
I am trying to write code to display name and memory usage of all session attributes, in a recursive way.
I suppose reflection is needed here, but I cant figure out how to get the values of the objects inside an object...
private void handleIt(String attributeName, Object attributeValue) {
boolean isPrimitiveOrNull = ((null == attributeValue) ||
(attributeValue.getClass().isPrimitive()));
if (isPrimitiveOrNull) {
sb.append("{" + attributeName + ":" + sizeOf(attributeValue) + "}");
} else {
sb.append("{" + attributeName + ":" + sizeOf(attributeValue) + "{");
Field[] fields = attributeValue.getClass().getDeclaredFields();
int lim = fields.length;
String name;
Object value = null;
for (int i = 0; i < lim; i++) {
name = fields.getName();
//LOOK AT THIS LINE: !!!!!!!!!!!!!!!!!!!!!!!!!!!
value = fields[i].get(obj); //I don´t know what 'obj' should be??
handleIt(name, value);
sb.append("}");
Any suggestions will be greatly appreciated...I realized that massive int objects called MAX_VALUE, MIN_VALUE and SIZE where causing the StackOverflow, so I removed them from the analysis.
This is the resultant code. But I think it isnt accurate in calculating the real size of objects being got using reflexion.
Do you or somebody have any more suggestions?
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.lang.reflect.Field;
import java.util.Enumeration;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class SessionMeasurer extends HttpServlet {
private static final long serialVersionUID = 1470488362727841992L;
private StringBuilder sb = new StringBuilder();
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
performTask(request, response);
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
performTask(request, response);
public void performTask(HttpServletRequest request, HttpServletResponse response) {
HttpSession session = request.getSession(false);
String attributeName = "";
Object attributeValue = null;
for (Enumeration<?> attributeNames = session.getAttributeNames(); attributeNames.hasMoreElements();) {
attributeName = (String)attributeNames.nextElement();
attributeValue = session.getAttribute(attributeName);
handleIt(attributeName, attributeValue);
System.out.println(sb.toString());
private void handleIt(String attributeName, Object attributeValue) {
if (attributeValue != null) {
boolean isPrimitive = attributeValue.getClass().isPrimitive();
if (isPrimitive) {
sb.append("{" + attributeName + ":" + sizeOf(attributeValue) + "}");
} else {
sb.append("{" + attributeName + ":" + sizeOf(attributeValue) + "{");
Field[] fields = attributeValue.getClass().getDeclaredFields();
String name;
Object value = null;
int lim = fields.length;
for (int i = 0; i < lim; i++) {
name = fields.getName();
if (!name.endsWith("_VALUE") && !name.equals("SIZE") && !name.equals("serialVersionUID")) {
try {
value = fields[i].get(attributeValue);
} catch(Exception e) {
//PENDIENTE: Tratamiento excepción
handleIt(name, value);
sb.append("}");
private int sizeOf(Object obj) {
//Valid only for Serializables
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = null;
byte[] bytes = null;
try {
oos = new ObjectOutputStream(baos);
oos.writeObject(obj);
bytes = baos.toByteArray();
} catch(Exception e) {
//PENDIENTE: Tratamiento excepción
} finally {
if (oos != null) {
try {
oos.close();
} catch(Exception e) {
//PENDIENTE: Tratamiento excepción
if (baos != null) {
try {
baos.close();
} catch(Exception e) {
//PENDIENTE: Tratamiento excepción
int size = -1;
if (bytes != null) {
size = bytes.length;
return size; -
How to get the values of 2 dynamic comboboxes in one jsp to another jsp?
I have 2 comboboxes and one submit button on my jsp page.I select a value in 1st combobox then the values in the second combobox populated from the database. next i select 2nd combobox and then submit the button.After submit the button call the next jsp page. In that page i want to display the values of two comboboxes. but my problem is , in that page only 2nd combobox value is displayed.1st combobox is displayed as null. plz tell me, how to get the values of two comboboxes at a time?
Select.jsp:
<%@ page language="java" import="java.sql.*" %>
<%!
Connection con = null;
Statement st = null;
ResultSet rs = null;
String sql = null;
void addItems(javax.servlet.jsp.JspWriter out, String sql)
try{
rs = st.executeQuery(sql);
while( rs.next() )
out.println("<option>" + rs.getString(1) + "</option>");
}catch(Exception e)
System.out.println(e);
%>
<HTML>
<HEAD>
<TITLE>JSP WITH MULTIPLE FORMS</TITLE>
<script language="javascript">
function checking()
form1.submit();
</script>
</HEAD>
<body>
<center>
<b><font size="5" color="#333399">Staff ID:</font></b></center>
<FORM NAME="form1" METHOD="POST" ACTION="Select.jsp">
<p align=center>
Details of Staff :
<SELECT 1 NAME="type" onchange="checking();">
<option> Administrator </option>
<option> OfficeAssistent </option>
<option> Clerk </option>
</SELECT 1>
</p>
</FORM>
<FORM NAME="form2" METHOD="POST" action="welcome1.jsp">
<center>
<TABLE><TR><TD>Staff ID:</TD>
<TD><SELECT 2 NAME="staff_id">
<%
String type = request.getParameter("type");
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con = DriverManager.getConnection("jdbc:odbc:java","system","manager");
catch (ClassNotFoundException ex) {
System.out.println(ex);
catch (SQLException ex)
System.out.println(ex);
st = con.createStatement();
sql = "select staff_id from "+type+"";
addItems(out, sql);
%>
</SELECT 2>
</TD>
</TR>
</table></center>
<h2> Details of <%= type + "s" %> </h2>
<center><input type=submit value=ok onclick="submit();"></center>
</FORM>
</BODY>
</HTML>
welcome1.jsp
<center><h1>WEL COME</h1></center>
<%
String type = request.getParameter("type");
String sid = request.getParameter("staff_id");
%>
<h2> Details of <%= type + "s" %> </h2>
<h2> Details of <%= sid %> </h2><SELECT 1 NAME="type" onchange="checking();">
<option value = "0"> Administrator </option>
<option value = "1"> OfficeAssistent </option>
<option value = "2"> Clerk </option>
</SELECT 1>
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