JSP Retrieve value from Database
Please explain with the help of an example about how to Retrieve value from Database using JSP?
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March 4, 2008 at 8:27 PM
Retrieve value from Database
Methods and ways through which you can retrieve values on tag using JSP.
JSP Example Code
retriveValue.jsp
<%@ page language="java" import="java.sql.*,java.util.*,java.text.*" %>
<html>
<head>
<title>Retrive value from database</title>
</head>
<body>
<table border="1" width="50%" cellspacing="0" cellpadding="0">
<tr>
<td width="100%">
<h1><center>Retrive value from database</center></h1>
<form method="POST" >
<table border="1" width="100%" cellspacing="0" cellpadding="0">
<tr>
<td width="50%" valign="right"><b>First Name:</b></td>
<%
Connection con = null;
String url = "jdbc:mysql://localhost:3306/";;
String db = "register";
String driver = "com.mysql.jdbc.Driver";
try{
Class.forName(driver);
con = DriverManager.getConnection(url+db,"root","root");
try{
Statement st = con.createStatement();
String query = "SELECT * FROM userdata where username='amardeep'";
ResultSet rs = st.executeQuery(query);
while (rs.next()) {
%>
<td width="50%" valign="right"><%=rs.getString("username")%><br/></td>
<tr>
<td width="50%" valign="right"><b>Position:</b></td>
<td width="50%" valign="right"><%=rs.getString("position")%><br/></td>
</tr>
<%}
rs.close();
con.close();
}
catch (SQLException ex){
System.out.println("SQL statement is not executed!");
}
}
catch (Exception e){
e.printStackTrace();
}
%>
</tr>
</table>
</form>
</td>
</tr>
</table>
</body>
</html>
Methods and ways through which you can retrieve values on tag using JSP.
JSP Example Code
retriveValue.jsp
<%@ page language="java" import="java.sql.*,java.util.*,java.text.*" %>
<html>
<head>
<title>Retrive value from database</title>
</head>
<body>
<table border="1" width="50%" cellspacing="0" cellpadding="0">
<tr>
<td width="100%">
<h1><center>Retrive value from database</center></h1>
<form method="POST" >
<table border="1" width="100%" cellspacing="0" cellpadding="0">
<tr>
<td width="50%" valign="right"><b>First Name:</b></td>
<%
Connection con = null;
String url = "jdbc:mysql://localhost:3306/";;
String db = "register";
String driver = "com.mysql.jdbc.Driver";
try{
Class.forName(driver);
con = DriverManager.getConnection(url+db,"root","root");
try{
Statement st = con.createStatement();
String query = "SELECT * FROM userdata where username='amardeep'";
ResultSet rs = st.executeQuery(query);
while (rs.next()) {
%>
<td width="50%" valign="right"><%=rs.getString("username")%><br/></td>
<tr>
<td width="50%" valign="right"><b>Position:</b></td>
<td width="50%" valign="right"><%=rs.getString("position")%><br/></td>
</tr>
<%}
rs.close();
con.close();
}
catch (SQLException ex){
System.out.println("SQL statement is not executed!");
}
}
catch (Exception e){
e.printStackTrace();
}
%>
</tr>
</table>
</form>
</td>
</tr>
</table>
</body>
</html>
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