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Connecting to MySQL database and retrieving and displaying data in JSP page

                         

This tutorial shows you how to connect to MySQL database and retrieve the data from the database. In this example we will use tomcat version 4.0.3 to run our web application.

Creating Table in the database.

Using a JDBC driver

org.gjt.mm.mysql.Driver Driver to connect to the database.

Class.forName("org.gjt.mm.mysql.Driver").newInstance();

Connecting to your database

To connect to the database getConnection() function of the DriverManager class is used.

con=DriverManager.getConnection(url);

 

Executing Query and Processing result set

In this example we will use a table called jakartaproject having five fields in table. We will use the following query to retrieve all the records from the table:

select * from jakartaproject 

Here is the code of our JSP file

<%@ page language="java" import="java.sql.*"%>
<html>
<head><title>Read from mySQL Database</title>
</head>
<body>

<p align="center"><b>Following records are selected from the 'jakartaproject' table.</b><br>&nbsp;</p>

<div align="center" width="85%">
<center>
<table border="1" borderColor="#ffe9bf" cellPadding="0" cellSpacing="0" width="658" height="63">
<tbody>
<td bgColor="#008080" width="47" align="center" height="19"><font color="#ffffff"><b>Sr.
No.</b></font></td>
<td bgColor="#008080" width="107" height="19"><font color="#ffffff"><b>Project</b></font></td>
<td bgColor="#008080" width="224" height="19"><font color="#ffffff"><b>Url
Address</b></font></td>
<td bgColor="#008080" width="270" height="19"><font color="#ffffff"><b>Description
of the project</b></font></td>

<%
String DRIVER = "org.gjt.mm.mysql.Driver";
Class.forName(DRIVER).newInstance();


Connection con=null;
ResultSet rst=null;
Statement stmt=null;

try{
String url="jdbc:mysql://192.168.10.2/tutorial?user=tutorial&password=tutorial";

int i=1;
con=DriverManager.getConnection(url);
stmt=con.createStatement();
rst=stmt.executeQuery("select * from jakartaproject ");
while(rst.next()){

if (i==(i/2)*2){
%>
<tr>
<td bgColor="#ffff98" vAlign="top" width="47" align="center" height="19"><%=i%>.</td>
<td bgColor="#ffff98" vAlign="top" width="107" height="19"><%=rst.getString(2)%></td>
<td bgColor="#ffff98" vAlign="top" width="224" height="19"><a href="<%=rst.getString(3)%>"><%=rst.getString(3)%></a>&nbsp;</td>
<td bgColor="#ffff98" vAlign="top" width="270" height="19"><%=rst.getString(4)%></td>
</tr>
<%
}else{
%>
<tr>
<td bgColor="#ffcc68" vAlign="top" width="47" align="center" height="19"><%=i%>.</td>
<td bgColor="#ffcc68" vAlign="top" width="107" height="19"><%=rst.getString(2)%></td>
<td bgColor="#ffcc68" vAlign="top" width="224" height="19"><a href="<%=rst.getString(3)%>"><%=rst.getString(3)%></a>&nbsp;</td>
<td bgColor="#ffcc68" vAlign="top" width="270" height="19"><%=rst.getString(4)%></td>
</tr>
<% }

i++;
}
rst.close();
stmt.close();
con.close();
}catch(Exception e){
System.out.println(e.getMessage());
}
%>

</tbody>
</table>
</center>
</div>


</body>
</html>

Deploying web application

Put the code in tomcat and test the application through browser. The browser should display the display the data stored in the table.

                         

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Current Comments

6 comments so far (post your own) View All Comments Latest 10 Comments:

give me answer

Posted by d.penchalaiah on Thursday, 07.26.07 @ 18:37pm | #22003

I got many things in your website.it is very use.

Posted by a.avul dhavuthu on Tuesday, 07.10.07 @ 18:48pm | #21032

Hello guys,

I am new to struts, I am able to insert the values into the database, but unable to retrieve those values into the jsp page.
I am getting the values in an ArrayList and using iterator trying to diplay in JSP but no o/p is coming . the values are present in database

Posted by vardhaman on Friday, 06.29.07 @ 13:12pm | #20369

How can I write the above connection program in a struts action and retrieve the result in a JSP page please give the code for struts and JSP

Posted by Abhisek Das on Thursday, 05.31.07 @ 10:44am | #17824

1. org.gjt.mm.mysql.Driver: Can't seem to find it :

2. new to the stated items. Seeking links to good tutorials and reference materials, as well as someone's hindsight and experience in working with the aforementioned.

Thanks

Posted by anon on Sunday, 05.13.07 @ 06:37am | #15765

i have a problem on retrieving data from a table ,but i want to display the detials of one particular person,when he will login.
im using dbbean for database connection.And jsp pages for login.
thank you

Posted by kriss on Friday, 04.27.07 @ 13:44pm | #15006

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