Dynamic combobox using jsp

HI All,
This is very urgent for me please help me to come out of this.
I just want to display the values in combobox from database using jsp,but i have difficulty in doing it can any one help me for this.I will be thankfull if any one gives me a code for the same.
Ramesh.R

very simple example
<%@ page import="java.sql.*" %>
Add Item:
<SELECT NAME="item">
<ol>
<%
Connection con5 =
DriverManager.getConnection("url","user","password");
String q5 = "query" ;
Statement stmt5 = (Statement)con5.createStatement();
ResultSet rs5 = stmt5.executeQuery(q5);
while(rs5.next()){
String str5= rs5.getString("field");
%>
<li> <% out.print("<OPTION>" + str5); %>
<% } %>
</ol>
</SELECT>

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1) Learn JDBC API [http://java.sun.com/docs/books/tutorial/jdbc/index.html].
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3) Learn Servlet API [http://java.sun.com/javaee/5/docs/tutorial/doc/].
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grrrrr............ok so I'm kinda new to this, and just a little frustrated. I'm gonna ramble here, so any time I sound like I don't know what I'm talking about it 's because I don't..correct me. I want to include a bean in a jsp which will buil d a dynamic select box on the fly. That is, connect to an LDAP db and place each value returned in the query in a select box. Now, I can compile and run the bean in my IDE and watch the output in the console. It's correct because I see "<select><option value = hall>hall....</select>". In the buildSelectBox() method I'm using System.out.println to display each line of my select box (is that right?). Now, when I copy the .class file over to the server I was initially getting an error because the bean wasn't found. I resolved that by properly compiling the bean in a package. Problem is that if I call the bean.buildSelect() method in the .jsp nothing comes back. The page is left blank. What in the world is that about? Can someone push me toward a tutorial that can push me in the right direction or sumthin? Why am I having so much trouble with this? Should I be building the select on the jsp?
regards,
mat

Hi!
If i understand you correctly :-) you are doing not very right things. I don't want it to seem like I'm going to teach you, but:
The Bean that has buildSelect() method is not a bean at all. Usualy Beans contain getter/setters and accumulate data. If you want to build html code dynamicaly then you should use servlets(Which is not very flexible in your situation, I think), not JSPs. And if you are using JSPs then you have to make Tag which will do this everything.
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Guys will correct me if I missed something.
Good luck

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[email protected]
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Hi ,
I am trying to make a dynamic menu that is using data
retrieved from database in the form of a list.
I have a javascript to make a tree structure menu,
but i need to iterate through the list i am reciveing
from the database to make the tree structure. here is
the code :- Hi, do you have a question? This is more of a "Look what I wrote" sort of post, and you don't seem to be asking for any specific advice. Please tell us what problem you're having, or the error message you're receiving.
Brian

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Edited by: Migan on 2010-jul-13 08:36

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[email protected]

u need to know quite a few java technologies to make archieve your dream.
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after reading tutorial regarding to these 3 materials, you should be able to get your job done.

Populating combobox in jsp page from javabean using jsp:getProperty tag

hi,
i am new to jsp, so i don;t know how to populate a combobox in jsp page with productid attribute from a javabean called Bid . i want to have a code to automatically populating combobox using the attribute value from javabean.
please reply me.
<jsp:useBean id="bidpageid" class="RFPSOFTWARE.Bid" scope="session" />
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No Sir,
I think I did not explained clearly.what I try to say is I dont want to use JSTL.I am using only Scriptlets only.I can able to receive the values from the database to the resultset.But I could not populate it in Combobox.
My code is :
<tr>
<td width="22%"><font color="#000000"><strong>Assign To Engineer</strong></font></td>
<td width="78%">
     <select NAME="Name" size="1">
<option><%=Username%></option>
</select> </td>
</tr>
in HTML
and in Scriptlets:
ps1 = con.prepareStatement
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          System.out.println("SECOND Succesfully Executed");
          while(rs2.next())
               System.out.println("Coming inside rs2.next loop to process");
               Username=rs2.getString("Username");
               System.out.println("Success");
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In the server(Jboss console) I can able to display the username but I could not populate it in the Combobox .
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Thanks a lot
With kind Regds
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Dynamic Photo Album using JSP

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I am looking at finding/ making an online dynamic photo album which
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To Retrieve dynamic radio button values using jsp & javascript

Hi All,
How can i retrive the dynamically created radio button values and also want to get the clicked radio button values.I am using JSP and JAVA beans to retrive the values from the form. I dont have any probs to retrieve combo box values, text box values only problem showing with radio button values. If any data which is entered wrong in the form all the fields should prefills with the old value.Except radio button values all others fields such as combo box, text box values are prefilled with the old values.
I have given the code for radios.
document.write('<input type="radio" name="distradio" OnClick="sampleReq.fcidis.value=\'Y\'"/>Yes ');
document.write('<input type="radio" name="distradio" OnClick="sampleReq.fcidis.value=\'N\'"/>No');
document.write('<input type="hidden" name="fcidis" value="">')
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<td class="Txt_gris">
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</td>
<td class="Txt_gris">
<input type="radio" name="requester" OnClick="sampleReq.requester1.value='distributor'"/> distributor
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<td class="Txt_gris">
<input type="radio" name="requester" OnClick="sampleReq.requester1.value='employee'"/> employee
</td>
<td class="Txt_gris">
<input type="radio" name="requester" OnClick="sampleReq.requester1.value='New partner'"/>New partner
<input type="hidden" name="requester1" value=""/>
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</tr>
Advanced Thanks for help
Regards
Sona

Hi,
If you have this code
document.write('<input type="radio" name="distradio" OnClick="sampleReq.fcidis.value=\'Y\'"/>Yes ');
document.write('<input type="radio" name="distradio" OnClick="sampleReq.fcidis.value=\'N\'"/>No');
document.write('<input type="hidden" name="fcidis" value="">')
<form method="POST" action="Update.jsp" name="sampleReq" >
<tr>
<td class="Txt_gris">
<input type="radio" name="requester" OnClick="sampleReq.requester1.value='supplier'"/> supplier
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<td class="Txt_gris">
<input type="radio" name="requester" OnClick="sampleReq.requester1.value='customer'"/>customer
</td>
<td class="Txt_gris">
<input type="radio" name="requester" OnClick="sampleReq.requester1.value='distributor'"/> distributor
</td>
<td class="Txt_gris">
<input type="radio" name="requester" OnClick="sampleReq.requester1.value='employee'"/> employee
</td>
<td class="Txt_gris">
<input type="radio" name="requester" OnClick="sampleReq.requester1.value='New partner'"/>New partner
<input type="hidden" name="requester1" value=""/>
</td>
</tr>
this field distradio will not be able Update.jsp.
You will need to insert these field into the form definition.
Now, to get a valeu from a radio button, you need only to do request.getAttribute("fieldName").
To generate dinamically all radio button values, i need to know where are these information? In database? If yes, you need to read the resultset na in value attribute you need to do somethink like this <input type=radio name=fieldName value="<%out.println(resultset.getString("FieldName"));%>">
If you have more question, only send me a email,
best regards
Edney Imme
[email protected]

Dynamic combobox using jsp

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