updatebooking.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@page import="java.sql.*,java.util.*"%>
<%




		// get the ID
		String idSaya = request.getParameter("userid");
		int id = Integer.parseInt(idSaya);

        //retrieve all information
		String a = request.getParameter("name");
		String b = request.getParameter("email");
		String c = request.getParameter("phone");
		String d = request.getParameter("message");


		// sql query to retrieve values from the specified table.
		String query = "UPDATE feedback SET name='"+a+"'"
                          + ",email='"+b+"',phone='"+c+"',message='"+d+"',WHERE id='"+id+"'";


		conn.commit();
out.println("Data is successfully inserted!");
}
catch(Exception g)
{
System.out.print(g);
g.printStackTrace();

}

response.sendRedirect("feedbacklist.jsp");
%>