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Bipin Kumar Aryan
new 2
0 Answer(s)      a year and 5 months ago
Posted in : JSP-Servlet


<%@page import="java.util.ArrayList"%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
   <% 
 ArrayList<String> arr1=(ArrayList<String>)request.getAttribute("fname");
 ArrayList<String> arr2=(ArrayList<String>)request.getAttribute("email");
%>
<html>

    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>JSP Page</title>
    </head>
    <table>

         <% for(int i=0;i<arr1.size();i++){ %>  
        <tr>   
        <td>
            <%=arr1.get(i)%>
        </td>
        <td>
            <%=arr2.get(i)%>
        </td>
        </tr>
        <%}%>
    </table>
</html>
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sevelet
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import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.ArrayList;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author ignite084
 */
public class TestRadioServlate 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();
        HttpSession session=request.getSession(true);
        try {
            String uname="Arati";
            Class.forName("com.mysql.jdbc.Driver");
            Connection con = (Connection) DriverManager.getConnection("jdbc:mysql://localhost:3306/Exit", "root", "root");
            Statement stmt=con.createStatement();
            ResultSet rs=stmt.executeQuery("Select * from register");
            System.out.println("Select * from register ");
            RequestDispatcher rsd=request.getRequestDispatcher("newjsp.jsp");
            ArrayList<String> arr1=new ArrayList<String>();
             ArrayList<String> arr2=new ArrayList<String>();
            while(rs.next())
            {
//                request.setAttribute("fname", rs.getString(1));
//                request.setAttribute("email", rs.getString(2));
                arr1.add(rs.getString(1));
                arr2.add(rs.getString(2));

            }
            request.setAttribute("fname", arr1);
            request.setAttribute("email", arr2);
            rsd.forward(request, response);
        } 
        catch(Exception e)
        {
            e.printStackTrace();
        }finally {            
            out.close();
        }
    }

    // <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>
}
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