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



Home Answers Viewqa Ajax combo box value
Login         

View Questions and Answers by Category

Advertisements


 
Have Programming Question? Ask it here!
 
 
 


vijender kumar
combo box value
1 Answer(s)      2 years and 7 months ago
Posted in : Ajax


i want to populate one combo box value based on another combo box value using ajax


Advertisement
View Answers

April 13, 2012 at 12:32 PM


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);
 }
 %>

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`)                               
        )


Related Tutorials/Questions & Answers:
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...' onchange="showState(this.value)"> <option value="none">
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...' onchange="showState(this.value)"> <option value="none">
Advertisements
Combo box value Error - WebSevices
Combo box value Error   if($_SERVER['REQUEST_METHOD'] == 'POST...']); } document.frmProposal.hdVisa.value = document.getElementById('cmbVisa').value; Error: The "cmbVisa" Value is Null,This error will displayed for these coding.So tell me
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
how to get combo box value - JSP-Servlet
how to get combo box value  i have created 1 servlet & 1 jsp page... in combo box in jsp page: (small part of my code) "> now i want the id in servlet page, that i have associated with value i.e "> bcoz i hav
Store combo box value - Development process
Store combo box value  Hi , this is my code. Here wen i click submit button combo values are stored like 1,2,3... but i want to store value . plz... = request.getParameter("Combo"); String Issue = request.getParameter("IssueName"); String
How to retrieve data by using combo box value in jsp? - JSP-Servlet
How to retrieve data by using combo box value in jsp?  For example, In Employee.jsp form, When i click employee id value in combo box...... i already stored combo box values from database. pl
How to pass the value of Selected Value of combo box into sql ??
How to pass the value of Selected Value of combo box into sql ??  My SQL Database Name is MHS, user=root, password=admin,table name is sub_comb(regno,sname,sgen). Now i want to select one "regno" from Combobox and then after
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
How to retreive data by using combo box value - JSP-Servlet
How to retreive data by using combo box value  Hello friend... I can print combo box values... with html .. So i cannot use request.getParameter. If i am using null value
How to retrieve data using combo box value in jsp? - JSP-Servlet
How to retrieve data using combo box value in jsp?  Hi freind, I already post this question. I need urgent help from u. pl response me.... All actions in the same page.......  Hi Friend, Please visit
How to retrieve data by using combo box value in jsp? - JSP-Servlet
How to retrieve data by using combo box value in jsp?  I am using a single jsp form.. i did not get from another form.. i do not use 2 jsp form.. all are satisfaction in this form.. What will i do. My code is following
How to retrieve data by using combo box value in jsp? - JSP-Servlet
How to retrieve data by using combo box value in jsp?  Hi Friends...... For Example, in Student.jsp... when i click student id in combo box... in combo box from database.. by using select*from studentinformation; But when i
combo box
combo box  Hi, [_|] dropdown box [ ] [INCLUDE... a screen like this using jsp-servlet(or DAO,DTO),in that drop down box i should get
Code to store sub combo box value - Development process
Code to store sub combo box value  Hi Deepak, In the following code i want to store subcombo box value instead of number. Already "Dkn/Tmz" ,"kungumam... etc are storing but i want to store "Circulation,marketing
How to retreive data by using combo box value - JSP-Servlet
How to retreive data by using combo box value  I am using a single jsp form.. i did not get from another form.. i do not use 2 jsp form.. all are satisfaction in this form.. What will i do. My code is following
my table should be reseted to new value upon the selection of the combo box..
my table should be reseted to new value upon the selection of the combo box..  import java.awt.Container; import java.awt.FlowLayout; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.sql.Connection
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
base the value of first combo box, how i display the second combox - JSP-Servlet
base the value of first combo box, how i display the second combox    i have a combo box for classes. my requirement is when i select the class, if class is 11 or 12 the second combo box of subject should be appear. please
Re: base the value of first combo box, how i display the second combox - JSP-Servlet
Re: base the value of first combo box, how i display the second combox  ... value of combo box should be sent. but when i clicked to submit button, it do...); } function hide(){ if (document.getElementById) { document.getElementById('combo
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>>>
Re: base the value of first combo box, how i display the second combox - JSP-Servlet
Re: base the value of first combo box, how i display the second combox    thanks for your reply. i want to know suppose the second combo box appear only when i select the class 11th or 12th. please review. your answer
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
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 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
How to retrieve data from database by using combo box value in jsp? - JSP-Servlet
How to retrieve data from database by using combo box value in jsp?  ...; } function showEmp(emp_value) { if(document.getElementById("emp_id").value...="+emp_value xmlHttp.onreadystatechange=stateChanged xmlHttp.open("GET",url
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
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
 

 

 

DMCA.com