JSP Servlet with AJAX Example

JSP Servlet with AJAX Example Ajax is a great feature implemented almost in all the websites in some way. It gives really a very good user interface, since things are loading/populating without refresh. It is commonly used in username availability checking, register/login page db level/business level validations etc. We are going to use Ajax with JSP and servlet to calculate

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clicked value passing from one jsp to another jsp

Create the first jsp named main.jsp and paste the below code,   <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <%@page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <html> <head> <title>agn</title> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <meta name="GENERATOR" content="Rational Application Developer"> </head> <body> <!–<iframe src="http://www.w3schools.com"> <p>Your browser does not support iframes.</p> </iframe> –> <a href="/ToCapitalLetter?a=javadomain">click me</a> </body> </html> Create a servlet named ToCapitalLetter.java and

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Passing clicked value from jsp to jsp/servlet

Passing value from jsp to jsp/servlet: We can pass the value from jsp to servlet using, request.getParameter(“text”); //servlet code to get the jsp value where text is the name of the input fields (text field). Passing clicked value from jsp to jsp/servlet: We have to pass the clicked value as get parameter in the href link like below, <a href=”/Myservlet?input=javadomain”>

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javascript onclick jsp value passing to servlet

Program: MyJsp.jsp <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Javadomain.in</title> </head> <script type="text/javascript"> function document123() { var append_input = document.getElementById("txt").value; document.location.href="/My_Workouts/MyServlet?nav=’"+append_input+"’"; // My_Workouts is the project name. } </script> <body> <label>Enter the text to pass Servlet </label> <input type="text" id="txt" ></input> <button type="button" onclick="document123()">Go to Servlet!</button></div> </body>

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Passing values from servlet to jsp

Step 1: ServletCall.jsp   <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Javadomain.in</title> </head> <body> Click the below button to call the servlet, then servlet will print the value in the display.jsp file <br> <br> <form action="ServletValues"> <input type="submit"> </form> </body> </html>   Step 2: ServletValues.java   import

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