jsp and java

how to write a jsp and related java code to enter student marks into database

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February 4, 2011 at 12:15 PM

Hi Friend,

Try the following code:

1)insert.jsp:

<%@page import="java.sql.*"%>
<html>
<form method="post" action="../InsertServlet">
<table>
<tr><td>Name:</td><td><input type="text" name="name"></td></tr>
<tr><td>Marks:</td><td><input type="text" name="marks"></td></tr>
<tr><td></td><td><input type="submit" value="Submit"></td></tr>
</table>
</form>
</html>

2)InsertServlet.java:

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;

public class InsertServlet extends HttpServlet { 
    public void doPost(HttpServletRequest req,HttpServletResponse res) throws ServletException,IOException {
        res.setContentType("text/html");
        PrintWriter out = res.getWriter();
        String name=req.getParameter("name");
        String marks=req.getParameter("marks");
        int mm=Integer.parseInt(marks);
try{
Class.forName("com.mysql.jdbc.Driver");
           Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
           Statement st=con.createStatement();
           int i=st.executeUpdate("insert into student(name,marks) values('"+name+"',"+mm+")");
         out.println("Data is inserted successfully");
         con.close();
        }
catch(Exception e){
    System.out.println(e);
}
            }
        }

Thanks

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