Latest Tutorials| Questions and Answers|Ask Questions?|Site Map



Home Answers Viewqa JDBC Loading combo box from oracle
Login         

View Questions and Answers by Category

Advertisements


 
Have Programming Question? Ask it here!
 
 
 


Kishore P Gopan
Loading combo box from oracle
3 Answer(s)      3 years and 10 months ago
Posted in : JDBC


how can i load values into a combobox from oracle database when a value is selected in another combo box?


Advertisement
View Answers

February 4, 2011 at 3:31 PM


Hi Friend,

We are using Mysql database.

Try this:

1)country.jsp:

 <%@page import="java.sql.*"%>
 <html>
      <head>  
      <script language="javascript" type="text/javascript">  
      var xmlHttp  
      var xmlHttp
      function showState(str){
      if (typeof XMLHttpRequest != "undefined"){
      xmlHttp= new XMLHttpRequest();
      }
      else if (window.ActiveXObject){
      xmlHttp= new ActiveXObject("Microsoft.XMLHTTP");
      }
      if (xmlHttp==null){
      alert("Browser does not support XMLHTTP Request")
      return;
      } 
      var url="state.jsp";
      url +="?count=" +str;
      xmlHttp.onreadystatechange = stateChange;
      xmlHttp.open("GET", url, true);
      xmlHttp.send(null);
      }

      function stateChange(){   
      if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){   
      document.getElementById("state").innerHTML=xmlHttp.responseText   
      }   
      }
      </script>  
      </head>  
      <body>  
      <select name='country' onchange="showState(this.value)">  
       <option value="none">Select</option>  
    <%
 Class.forName("com.mysql.jdbc.Driver").newInstance();  
 Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","root");  
 Statement stmt = con.createStatement();  
 ResultSet rs = stmt.executeQuery("Select * from country");
 while(rs.next()){
     %>
      <option value="<%=rs.getString(1)%>"><%=rs.getString(2)%></option>  
      <%
 }
     %>
      </select>  
      <br>  
      <div id='state'>  
      <select name='state' >  
      <option value='-1'></option>  
      </select>  
      </div>  
      </body> 
      </html>

2)state.jsp:

<%@page import="java.sql.*"%>
<%
String country=request.getParameter("count");  
 String buffer="<select name='state' ><option value='-1'>Select</option>";  
 try{
 Class.forName("com.mysql.jdbc.Driver").newInstance();  
 Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","root");  
 Statement stmt = con.createStatement();  
 ResultSet rs = stmt.executeQuery("Select * from state where countryid='"+country+"' ");  
   while(rs.next()){
   buffer=buffer+"<option value='"+rs.getString(1)+"'>"+rs.getString(3)+"</option>";  
   }  
 buffer=buffer+"</select>";  
 response.getWriter().println(buffer); 
 }
 catch(Exception e){
     System.out.println(e);
 }

 %>

For the above code, you need to create 2 database tables.

1)country

CREATE TABLE `country` (                                 
           `countryid` bigint(255) NOT NULL auto_increment,       
           `countryname` varchar(255) default NULL,               
           PRIMARY KEY  (`countryid`)                             
         )

2)state

CREATE TABLE `state` (                                   
          `stateid` bigint(255) NOT NULL auto_increment,         
          `countryid` int(255) default NULL,                     
          `state` varchar(255) default NULL,                     
          PRIMARY KEY  (`stateid`)                               
        )

Thanks



February 7, 2011 at 10:12 AM


Thank you for your answer.



February 7, 2011 at 4:13 PM


How could I get the selected value from the combobox in the same page? I coudn't use request.getParameter(), because i need the second combo box in the same page.



Related Tutorials/Questions & Answers:
Loading combo box from oracle
Loading combo box from oracle  how can i load values into a combobox from oracle database when a value is selected in another combo box
loading value into combo box by selecting value from other combo box - JSP-Servlet
loading value into combo box by selecting value from other combo box  ... is that as i select state from state_combo_box,then the next combo box is dynamically... box with constituency corresponding to district..... all three combo box
Advertisements
retrieving from oracle database using jsp combo box
retrieving from oracle database using jsp combo box  hi this is my code in this once i select the server type and version of the server the process name of the server has to display in the process name field from the oracle
Dynamic loading of Combo box list using servlet - JSP-Servlet
Dynamic loading of Combo box list using servlet  I have the category and their sub categories in database. How can I load the sub category from... I give theortical descrption read it! Select a value from drop dwon box
Retrieving Data from Database to fill Combo Box
Retrieving Data from Database to fill Combo Box  Sir, I have a JSP Page with a combo box and a label. I have a database that has two fields id and an image. Now I want to fill the combo box with image and on selecting
how to get selected name from combo box
how to get selected name from combo box   i have fetched all records of worker i.e worker name. on a test.jsp and dispayed it into combo box ...my... of worker name within d combo box and display that id into a text box. plz
how to get selected name from combo box
how to get selected name from combo box   i have fetched all records of worker i.e worker name. on a test.jsp and dispayed it into combo box ...my... of worker name within d combo box and display that id into a text box. plz
how to get selected name from combo box
how to get selected name from combo box  i have fetched all records of worker i.e worker name. on a test.jsp and dispayed it into combo box ...my... of worker name within d combo box and display that id into a text box. plz answer
how to get selected name from combo box
how to get selected name from combo box  i have fetched all records of worker i.e worker name. on a test.jsp and dispayed it into combo box ...my... of worker name within d combo box and display that id into a text box. plz answer
how to get selected name from combo box
how to get selected name from combo box  i have fetched all records of worker i.e worker name. on a test.jsp and dispayed it into combo box ...my... of worker name within d combo box and display that id into a text box. plz answer
Populate a combo box using data from a database
Populate a combo box using data from a database  Hi Guys, In need... combo box which will then load the next combo box values, now i know how... to the client using ajax, and then populate the combo box, I must'nt reload
combo box
combo box  Hi, [_|] dropdown box... a screen like this using jsp-servlet(or DAO,DTO),in that drop down box i should get usernames from the database & upon selection of particular user i should get
how can retrive value from combo box in servlet?
how can retrive value from combo box in servlet?  i have a jsp page with combobox. And i want to get value from combox to servlet
retrieve the data to text fields from database on clicking the value of combo box
retrieve the data to text fields from database on clicking the value of combo box   retrieve the data to text fields from database on clicking the value of combo box . I am not getting it plz help me out .   hi
Retrieving data from data base using jsp combo box
Retrieving data from data base using jsp combo box  Hi guys please... combo box is there and another filed is version of the server(like 1.0,2.0) like... of the server it has to display the process name from database into the process name
Acees data from database using combo box - JSP-Servlet
Acees data from database using combo box  please let me how i access the data from database when i select combo box combo2 having values Arts, Commerce, Science. this combo box will appear when first combo box class_name having
How to get the values from the Combo Box - JSP-Servlet
How to get the values from the Combo Box   Sir, Actually i am getting the values in the combo box from table.I want what ever... in their respective text box. e.g suppose i select ram values from the combo box and its
populate Combo Box dynamically
populate Combo Box dynamically  Hi, How to populate the Combo Box dynamically using Flex with Jsp's
combo box - JSP-Servlet
combo box  how to get a combo box in jsp page which allows editing as well as list box
Combo Box operation in Java Swing
, remove items from the combo box. This program shows a text field, a combo box... at the 0th (zero) position of the combo box will be remove from the combo box... Combo Box operation in Java Swing   
assigning arraylist to combo box
assigning arraylist to combo box  Hi I am busy coding the Airline Reservation program, i have an arraylist of locations which i want to assing to the combo box. please help
date in combo box
date in combo box  strong texthello, how can i desplay the current year and next year in combo box???!!! it must be uppdate atumaticaly every year>>>
combo box connection
combo box connection  how to provide connection between three combo boxes,if my 1st combo box is course and 2nd combo box is semester and 3rd combo box is my subjects.what's the coding to provide the connection between this three
populating the combo box - Struts
populating the combo box  Hi I am having problem populating the combo box with a table in MS SQL Server 2005 Management Studio Express. Belo is the extract from the Struct?jsp application. Sector
Combo Box - Struts
Combo Box  I hava acombo box cnnected to my database via html collections. When selecting an option, i want to display specific parts (sectons) on my web page....am trying to use logic:present and logic:empty but its not working
combo box value
combo box value   i want to populate one combo box value based on another combo box value using ajax   1)country.jsp: <%@page... = con.createStatement(); ResultSet rs = stmt.executeQuery("Select * from country
combo box value
combo box value   i want to populate one combo box value based on another combo box value using ajax   1)country.jsp: <%@page import... = stmt.executeQuery("Select * from country"); while(rs.next()){ %>
combo box - JSP-Servlet
combo box  I am using a JSP form in which a combobox is given and I want to populate data in it from database and on the basis of yhe selected item I want to display related data in a textbox  Hi Friend, Create
Helps with combo box and frame
Helps with combo box and frame  Hi i have a combobox and when i click... on the second window and click confirm i would have the information on the combo box. i... combo; JTextField txtBox; private String PersonViewing; private String
java combo box
java combo box  how to display messagedialogbox when the combobox is null, Thanks in advance
Problem With Combo Box Editable Property
Problem With Combo Box Editable Property  Hi I am new To Flex i had set Combo Box Editable Property as true. But I didn't get the property filtering in the combo box like when you enter text "S" in the combo box then the names
Advertisements
 

 

 

DMCA.com