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Navigation in a database table through jsp

This is detailed jsp code that shows how to navigate in database.

Navigation in a database table through jsp


This is detailed jsp code that shows how to navigate in database. This code shows one by one record of student from database on clicking a button labeled 'next record', so on each click of button application fetches next record from database, this is the navigation in database.

Create a database:  Before run this jsp code first create a database named 'student' through the sql query given below in mysql command prompt :-

mysql> create database student;

Then create a table named 'stu_info' in the same database through following sql query :-

create table stu_info (
   ID int not null auto_increment,
   Name  varchar(20),
   Address varchar(20),
   Phone int(15),
   primary key(ID)

Create a new directory named "user" in the tomcat-6.0.16/webapps and WEB-INF directory in same directory. Before running this java code you need to paste a .jar file named mysql connector.jar in the Tomcat-6.0.16/webapps/user/WEB-INF/lib.


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
<%@ page import="java.sql.*" %> 
<%@ page import="*" %> 
    <TITLE>Navigating in a Database Table </TITLE>
<BODY bgcolor="#ffffcc">
<font size="+3" color="green"><br>Welcome in roseindia !</font>
<%          int current = 0;
            // declare a connection by using Connection interface 
            Connection connection = null;
            /* Create string of connection url within specified 
            format with machine name, port number and database 
            name. Here machine name id localhost and database 
            name is student. */
            String connectionURL = "jdbc:mysql://localhost:3306/student";
            /*declare a resultSet that works as a table 
            resulted by execute a specified sql query. */
            ResultSet rs = null;
<FORM NAME="form1" ACTION="ConnectJspToMysql.jsp" METHOD="get"><%
            if (request.getParameter("hidden") != null) {
                current = Integer.parseInt(request.getParameter("hidden"));
            // Declare statement.
            Statement statement = null;
            try {
                // Load JDBC driver "com.mysql.jdbc.Driver".
                /* Create a connection by using getConnection()
                method that takes parameters of string type connection
                url, user name and password to connect to database. */
                connection = DriverManager.getConnection(connectionURL, 
                "root", "root");
                /* createStatement() is used for create statement 
                object that is used for sending sql statements to 
                the specified database. */
                statement = connection.createStatement();
                // executeQuery() method execute specified sql query. 
                rs = statement.executeQuery("select * from stu_info");
                for (int i = 0; i < current; i++) {
                if (! {
<FONT size="+2" color="red"></b>
        out.println("Sorry ! found some problems with database.");
    } else {
<TABLE style="background-color: #ECE5B6;" WIDTH="30%" >
    <TR><TH width="50%">ID</TH><TD width="50%"> <%= rs.getInt(1)%> 
    <TR><TH>Name</TH><TD> <%= rs.getString(2)%> </TD></tr>
    <TR><TH>City</TH><TD> <%= rs.getString(3)%> </TD></tr>
    <TR><TH>Phone</TH><TD> <%= rs.getInt(4)%> </TD></tr>    
<INPUT TYPE="hidden" NAME="hidden" VALUE="<%=current + 1%>">
<INPUT TYPE="submit" VALUE="next record">
catch (Exception ex) {
<FONT size="+3" color="red"></b>
                out.println("Unable to connect to database.");
            } finally {
                // close all the connections.

Save this code as a .jsp file named "ConnectJspToMysql.jsp" in the directory Tomcat-6.0.16/webapps/user/ and you can run this jsp page with following url in address bar of the browser "http://localhost:8080/user/ConnectJspToMysql.jsp"

When click on button, application control goes to database and check for the next record. If next record is found in table, show in browser else show a error message.

Error message page:

Download Source code


Posted on: July 7, 2008 If you enjoyed this post then why not add us on Google+? Add us to your Circles

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