JSP Select tag
Hello,
I want to make my select tag like this:
For e.g. I have three or four select tags, if I select from the first tag, in the second some specific values must appear, if I select from the second in the third some values must appear. How can I do it using JSP?
Any help would be very appreciate.
I wrote the following that displays three select tags on an html page.
Select an item from the first tag, the second is populated, select an item from the second and the third is populated.
Below the three select tags, it shows the index values that you selected for each tag so you know if it works as you want. Left to be done is to create a java class that takes in arrays for the three tags and returns a string containing javascript shown in the example. I grouped the contents of the array so hopefully you will be able to see a pattern of how one array relates to another. You should be able to extend it as you need. (please dont tell me to use css in stead of table tags, this is only an example).
<html>
<head>
<script language="javascript">
var a1;
var a2;
var a3;
function loadPage(){
//initialize all arrays for select tags
a1= [
['0', ''],
['1','A1'],
['2','A2'],
['3','A3']
a2= [
[['0',''], ['1','A1B1'], ['2', 'A1B2'], ['3','A1B3']],
[['4',''], ['5','A2B1'], ['6', 'A2B2'], ['7','A2B3']],
[['8',''], ['9','A3B1'], ['10','A3B2'], ['11','A3B3']]
a3= [
[[], [['0',''], ['1', 'A1B1C1'],['2', 'A1B1C2'],['3', 'A1B1C3']], [['4',''], ['5','A1B2C1'], ['6','A1B2C2'], ['7','A1B2C3']], [['8',''], ['9','A1B3C1'], ['10','A1B3C2'],['11','A1B3C3']]],
[[], [['12',''],['13','A2B1C1'],['14','A2B1C2'],['15','A2B1C3']], [['16',''],['17','A2B2C1'],['18','A2B2C2'],['19','A2B2C3']], [['20',''],['21','A2B3C1'],['22','A2B3C2'],['23','A2B3C3']]],
[[], [['24',''],['25','A3B1C1'],['26','A3B1C2'],['27','A3B1C3']], [['36',''],['37','A3B2C1'],['38','A3B2C2'],['39','A3B2C3']], [['28',''],['29','A3B3C1'],['30','A3B3C2'],['31','A3B3C3']]]
//populate the first select tag
for(ii=0;ii<a1.length;++ii){
document.myForm.selection1.options[ii] =new Option(a1[ii][1],a1[ii][0]);
//populate the second select tag, based on selection in first select tag
//display the index of the selected item
function selection1Changed(){
document.myForm.selection2.options.length=0;
document.myForm.selection3.options.length=0;
var a1Index= document.myForm.selection1.selectedIndex;
for(ii=0;ii<a2[a1Index].length;++ii){
document.myForm.selection2.options[ii] =new Option(a2[a1Index][ii][1],a2[a1Index][ii][0]);
document.myForm.select1Value.value=document.myForm.selection1.options[a1Index].value;
document.myForm.select2Value.value="";
document.myForm.select3Value.value="";
//populate the third select tag, based on selection of first and second select tags
//display the index of the selected item
function selection2Changed(){
document.myForm.selection3.options.length=0;
var a1Index= document.myForm.selection1.selectedIndex;
var a2Index= document.myForm.selection2.selectedIndex;
for(ii=0;ii<a2[a2Index].length;++ii){
document.myForm.selection3.options[ii] =new Option(a3[a1Index][a2Index][ii][1],a3[a1Index][a2Index][ii][0]);;
document.myForm.select2Value.value=document.myForm.selection2.options[a2Index].value;
document.myForm.select3Value.value="";
//display the index of the selected item
function selection3Changed(){
var a3Index= document.myForm.selection3.selectedIndex;
document.myForm.select3Value.value=document.myForm.selection3.options[a3Index].value;
</script>
</head>
<body onload="loadPage()">
<form name="myForm">
<table>
<tr>
<td>
Selection 1:
</td>
<td>
Selection 2:
</td>
<td>
Selection 3:
</td>
</tr>
<tr>
<td>
<select name="selection1" onchange="selection1Changed()"></select>
</td>
<td>
<select name="selection2" onchange="selection2Changed()"></select>
</td>
<td>
<select name="selection3" onchange="selection3Changed()"></select>
</td>
</tr>
<tr>
<td colspan="3">
<table>
<tr>
<td>
first select tag value:
</td>
<td>
<input type="text" size="2" name="select1Value">
</td>
</tr>
<tr>
<td>
second select tag value:
</td>
<td>
<input type="text" size="2" name="select2Value">
</td>
</tr>
<tr>
<td>
third select tag value:
</td>
<td>
<input type="text" size="2" name="select3Value">
</td>
</tr>
</table>
</td>
</tr>
</table>
</form>
</body>
</html>
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- john
"Murthy" <[email protected]> wrote in message
news:[email protected]..
>
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Edited by: RaviKIran on Nov 2, 2009 9:51 AMHi ,
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package com.solved.tag.dbtags.connection;
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import java.sql.Connection;
import java.sql.SQLException;
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import javax.servlet.jsp.JspTagException;
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* @author Matt Shannon
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package com.solved.tag.dbtags.connection;
import java.sql.Connection;
import java.sql.SQLException;
import javax.servlet.jsp.tagext.TagSupport;
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* <attribute>
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* <rtexprvalue>false</rtexprvalue>
* </attribute>
* </pre>
* @author Matt Shannon
* @see ConnectionTag
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private String _connId = null;
* The "conn" attribute is the name of a
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* @param connectionId
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* @see ConnectionTag
public void setConn(String connectionId) {
_connId = connectionId;
public int doStartTag() {
try {
Connection conn = (Connection)pageContext.getAttribute
(_connId);
conn.close();
} catch (SQLException e) {
// failing to close a connection is not fatal
e.printStackTrace();
return EVAL_BODY_INCLUDE;
public void release() {
_connId = null;
package com.solved.tag.dbtags.connection;
import javax.servlet.jsp.tagext.TagData;
import javax.servlet.jsp.tagext.TagExtraInfo;
import javax.servlet.jsp.tagext.VariableInfo;
* TagExtraInfo for the connection tag. This
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* @author Matt Shannon
* @see ConnectionTag
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public final VariableInfo[] getVariableInfo(TagData data)
return new VariableInfo[]
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data.getAttributeString("id"),
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true,
VariableInfo.AT_END
data-sources.xml:
<?xml version="1.0"?>
<!DOCTYPE data-sources PUBLIC "Orion data-
sources" "http://xmlns.oracle.com/ias/dtds/data-sources.dtd">
<data-sources>
<data-source
class="oracle.jdbc.pool.OracleConnectionCacheImpl"
name="jdbc/pool/OracleCache"
location="jdbc/pool/OracleCache"
url="jdbc:oracle:thin:@oracle1:1521:pdev"
>
<property name="maxLimit" value="15" />
<property name="cacheScheme" value="2" />
<property name="user" value="console" />
<property name="password" value="console" />
<description>
This DataSource is using an Oracle-native DataSource Class so as
to allow Oracle Specific extensions.
A getConnection() call on this DataSource will return
oracle.jdbc.driver.OracleConnection.
The connection returned is a logical connection.
The caching scheme in place is Fixed Wait. Refer below to
possible values.
Dynamic 1
Fixed Wait 2
Fixed Return Null 3
</description>
</data-source>
</data-sources>
many thanks,
Matt.Hi. Show me your pool definition.
Joe
Ramamurthy wrote:
I am using the jsp custom tag library from BEA called sqltags.tld which came with Weblogic 5.1. Currently I am using Weblogic6.1 sp2 on Solaris.
I have created a Connection Pool for Sybase database using the driver com.sybase.jdbc.SybDriver.
When I created jsp page to connect to the connection pool using sqltags custom tag library, I am getting the error
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at weblogic.taglib.sql.ConnectionTag.doAfterBody(ConnectionTag.java:43)
at jsp_servlet.__hubwcdata._jspService(__sampletest.java:1014)"
After this message, whenever I try to access the same jsp page I am getting the message
"javax.servlet.jsp.JspException: Failed to load JDBC driver: weblogic.jdbc.pool.D
river
at weblogic.taglib.sql.ConnectionTag.doStartTag(ConnectionTag.java:34)
at jsp_servlet.__hubwcdata._jspService(__sampletest.java:205)".
Can you please help me the reason why this problem is happening and how to fix this ?
This problem doexn't happen consistently. This occurs once in a while.
I tried to increase Login delay Seconds parameter in the Connection Pool to 15 sec. It didn't help me much.
Thanks for your help !!!
Ram -
Printing web page with select tags in IE9 and a .cfm file-only the original selected option prints
My web page has a select tag and cfselect tags and when I print the page with a different option other than the originally selected option the print for both types of select tags reverts back to the original selection and ignores the new selection. This happens in IE9 and .cfm files but not when the page is printed in IE8 or IE7 modes (tried in the F12 Developer Tools.) It also needs to be a .cfm file. FireFox printed the pages correctly for any combination.
This was done on a Dell and ThinkCentre computers under Windows 7. Also, I was able to reproduce the same problem on an different university web site where a selection box would revert back to the original selection for printing on a .cfm page and would print properly on a .PHP page at the same site.
For my site, I used a print button which calls print() and right clicked and chose print and got the same results no matter which method was used. I only had the right click method on the third party web site.
I know this is probably a bit narrow an issue but, any help would be appreciated.It appears that it is probably an IE9 bug.
I simplified the problem by turning the page source taken from the brouser of the original .cfm into an html file and found that it would still print improperly.
When I eliminated the various parts of the file I found that it would print correctly only when I removed the first line, the "DOC type" line.
The page will print the newly selected option but then I lose the style sheet.
If it does not work in an HTML file it must be IE. It is not the .cfm. The reason that it did not work for .cfm files, is that they always have a "DOC type" statement.
I have put the issue into an MSDN forum in addition to the one mentioned previously. -
Use of titleKey attribute in html:select tag
Hi,
There is one "titleKey" attribute to create mouse over pop-up texts taking key values from property files in case of i18n. It works for every struts specific tag like <html:text titleKey="help.rmc.name"/> or <html:checkbox titleKey="help.rmc.name"/> except for <html:select> tag which is used for creating combo box or list box. But this tag contains the titleKey attribute.
Please give me some suggestions how to implement this mouse over pop-up texts in case of <html:select> tagHi,
There is one "titleKey" attribute to create mouse over pop-up texts taking key values from property files in case of i18n. It works for every struts specific tag like <html:text titleKey="help.rmc.name"/> or <html:checkbox titleKey="help.rmc.name"/> except for <html:select> tag which is used for creating combo box or list box. But this tag contains the titleKey attribute.
Please give me some suggestions how to implement this mouse over pop-up texts in case of <html:select> tag -
How to use JSP custom tag lib in PAR file?
Hi All,
I am trying to customize mastheaderpar file. For that I have downloaded relevant par file and making the changes accordingly.
As part of the changes I would require to use JSP custom tag library in my par file.
I have the TLD file and relevant classes in the jar file. I would like to know where and what kind of modifications have to be done to use the jsp custom tag library.
I tried modifying some things in portalapp.xml but was not successful.
Please help me on how to proceed with this? It would be great if you can provide the xml entry to use this tag library
Thanks
SanthoshHi Johny,
Thanks for the reply. Actually I am able to change colors etc. with out any problem.
My requirement is to use XMLTaglib in mastheader par file. This tag lib is from apache tomcat. I have the relevant TLD and class files. I copied TLD file into taglib dir of portal-inf and class file in src api.
And I have added the following line in portalapp.xml under component-profile section of default
<property name="tlxtag" value="/SERVICE/Newmastheader/taglib/taglibs-xtags.tld">
Is this the right way to use tag lib? Actually before adding this line I used to get the error saying "Error parsing taglib", but now the error does not occur and I am getting new error. This is an exception in one of the taglib classes.
Could any one provide me some inputs on how to check this error?
Thanks
Santhosh
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