Blog by Rakesh.A

This example explains GET and POST methods of form submit using AJAX. Only code is posted for now, will try to update it later some time. Complete example can be downloaded using the link at the end of the post. package com.rakesh.ex.dto; public class EmployeeDTO {     private String empId;     private String name, email;     private String designation, department;     public EmployeeDTO(String empId) {         this.empId = empId;     }     public String getEmpId() {         return empId;     }     public void setEmpId(String empId) {         this.empId = empId;     }     public String getName() {         return name;     }     public void setName(String name) { ...

You will find many examples to learn how AJAX [Asynchronous Java Script And XML] works, but this one is different. Its one of the best way of using AJAX in web applications. The difference -  many of the examples you find uses Java Script to parse the AJAX response, this example avoids that parsing Java Script and uses JSP to generate the HTML and uses simple Java Script just to make the asynchronous call and show the response. It shows simple way of using JSP and AJAX with as much less Java Script as possible. This article wont go into details of what AJAX is and how to make AJAX calls, it explains one good way among many to use AJAX. Lets get on with it then! The flow of this example is like this – A simple JSP page where user performs an action [button click in this example] to get list of employees, on this action we’ll make an Asynchronous call to a Servlet which will prepare the dummy employee data and sends that data to a JSP page. This JSP generates the HTML displaying t...