Problem displaying resultset in jsp(no frameworks used)
View Answers
July 9, 2009 at 4:59 PM
Hi friend,
Try the following code:
1)dataBean.jsp:
<%@ page language="java" import="java.sql.*, java.io.*, java.util.*" %>
<jsp:useBean id="test" class="form.Retrievedata" />
<html>
<head><title> test database </title></head>
<body>
<table width="50%" border="1">
<tr><th>Roll No</th><th>Name</th><th>Marks</th><th>Grade</th></tr>
<%
test.connect ();
Iterator itr;
List data= test.viewDatabase ();
for (itr=data.iterator(); itr.hasNext(); ){
%>
<tr>
<td><%=itr.next()%></td>
<td><%=itr.next()%></td>
<td><%=itr.next()%></td>
<td><%=itr.next()%></td> </tr>
<%
}
test.disconnect ();
%>
</table>
</body>
</html>
2) Retrievedata.java
package form;
import java.sql.*;
import java.util.*;
public class Retrievedata
{
List dataList = new ArrayList();
Connection con;
public void connect() throws Exception{
try {
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","root";);
}
catch (ClassNotFoundException e) {
System.out.println(e);
}
}
public void disconnect() throws SQLException {
try {
if ( con != null ) {
con.close();
}
}
catch (SQLException ex) {
System.out.println(ex);
}
}
public List viewDatabase () throws SQLException, Exception {
ResultSet rs = null;
try {
String queryString = "Select * From student;";
Statement stmt = con.createStatement();
rs = stmt.executeQuery(queryString);
while (rs.next ()){
dataList.add(rs.getInt("rollNo"));
dataList.add(rs.getString("name"));
dataList.add(rs.getInt("marks"));
dataList.add(rs.getString("grade"));
}
}
catch (Exception e) { }
return dataList;
}
}
For more information, please visit the following link:
http://www.roseindia.net/jsp/servlet-jsp-data-list.shtml
Thanks
Try the following code:
1)dataBean.jsp:
<%@ page language="java" import="java.sql.*, java.io.*, java.util.*" %>
<jsp:useBean id="test" class="form.Retrievedata" />
<html>
<head><title> test database </title></head>
<body>
<table width="50%" border="1">
<tr><th>Roll No</th><th>Name</th><th>Marks</th><th>Grade</th></tr>
<%
test.connect ();
Iterator itr;
List data= test.viewDatabase ();
for (itr=data.iterator(); itr.hasNext(); ){
%>
<tr>
<td><%=itr.next()%></td>
<td><%=itr.next()%></td>
<td><%=itr.next()%></td>
<td><%=itr.next()%></td> </tr>
<%
}
test.disconnect ();
%>
</table>
</body>
</html>
2) Retrievedata.java
package form;
import java.sql.*;
import java.util.*;
public class Retrievedata
{
List dataList = new ArrayList();
Connection con;
public void connect() throws Exception{
try {
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","root";);
}
catch (ClassNotFoundException e) {
System.out.println(e);
}
}
public void disconnect() throws SQLException {
try {
if ( con != null ) {
con.close();
}
}
catch (SQLException ex) {
System.out.println(ex);
}
}
public List viewDatabase () throws SQLException, Exception {
ResultSet rs = null;
try {
String queryString = "Select * From student;";
Statement stmt = con.createStatement();
rs = stmt.executeQuery(queryString);
while (rs.next ()){
dataList.add(rs.getInt("rollNo"));
dataList.add(rs.getString("name"));
dataList.add(rs.getInt("marks"));
dataList.add(rs.getString("grade"));
}
}
catch (Exception e) { }
return dataList;
}
}
For more information, please visit the following link:
http://www.roseindia.net/jsp/servlet-jsp-data-list.shtml
Thanks
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