Untitled

<!DOCTYPE html>
<html>
    <head>
        <title>Student Registration</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    </head>
    <body>
        <form action="http://localhost:8080/DataBaseApp1/StudentReg" method="post">
            <table>
                <tr>
                    <td>Username</td>
                    <td><input type="text" name="usr"></td>
                </tr>
                <tr>
                    <td>Password</td>
                    <td><input type="text" name="Pwd"></td>
                </tr>
                <tr>
                    <td>Address</td>
                    <td><input type="text" name="Addr"></td>
                </tr>
                <tr>
                    <td>Gender</td>
                    <td><input type="text" name="Gdr"></td>
                </tr>
                <tr>
                    <td><input type="submit" value="insert"></td>
                </tr>
            </table>
        </form>
    </body>
</html>

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.sql.*;
/**
 *
 * @author DEEN_KADIR
 */
@WebServlet(urlPatterns = {"/StudentReg"})
public class StudentReg extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
            int rowsAffected;

            String username = request.getParameter("usr");
            String pass = request.getParameter("pwd");
            String address = request.getParameter("Adr");
            String gender = request.getParameter("Gdr");

            try
            {
                Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
                Connection con = DriverManager.getConnection("jdbc:sqlserver://DEEN:1433;databaseName=StudentRegistration;user=Deenkadir;password=12345");
                PreparedStatement stat = con.prepareStatement("insert into StudentDetails(Username, Password, Address, gender) values(?, ?, ?, ?, ?)");
                stat.setString(1, username);
                stat.setString(2, pass);
                stat.setString(3, address);
                stat.setString(4, gender);
                rowsAffected = stat.executeUpdate();
                if(rowsAffected > 0)
                {
                   System.out.println("Values inserted successfully");
                   // out.println("Success");
                }
            }
            catch(Exception e)
            {
                //System.out.println("Exception Occured");
                e.printStackTrace();
            }

    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}