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Showing posts from August 12, 2013

While selecting combobox value display the data from database using Ajax and jsp

First Create table in database create table studentinfo (     name varchar(20),     branch varchar(20),     year varchar(4),     email varchar(20) ) insert into studentinfo values('Satyam','CSE','2013','satyam@gmail.com') insert into studentinfo values('Anand','CSE','2013','anand@gmail.com') Now create home.jsp page <%@page contentType="text/html" pageEncoding="UTF-8"%> <! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd" > < html > < head > < title > Jsp Page </ title > < script > 1:   2: function showuser(str) 3: { 4: var xreq; 5: if (str== "" ) 6: { 7: document.getElementById( "showtext" ).innerHTML= "Plase Select Name" ; 8: return ; 9: } 10:  
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Check user name available or already exists in database while creating Registration form in jsp using AJAX like gmail

First Create  login table in sql server create table login (     name varchar(20),     password varchar(20) ) insert into login values('dilip','niit') Now Create jsp page: ajaxcheck.jsp <%@page contentType= "text/html" pageEncoding= "UTF-8" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd" > <html> <head><title>welcome</title> <script language= "javascript" > reqObj= null ; function varify(){ document.getElementById( "res" ).innerHTML= "Checking" ; if (window.XMLHttpRequest){ reqObj= new XMLHttpRequest(); } else { reqObj= new ActiveXObject( "Microsoft.XMLHTTP" ); } reqObj.onreadystatechange=process
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How to use JSON(JavaScript Object Notation) in NetBeans

JSON: JavaScript Object Notation. JSON is syntax for storing and exchanging text information. Much like XML. JSON is smaller than XML, and faster and easier to parse. First Create simple jsp page in netbeans: index.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 > AJAX calls to Servlet using JQuery and JSON </ title > < script src ="http://code.jquery.com/jquery-latest.min.js" ></ script > 1:   2: <script> 3: $(document).ready( function () { 4: $( '#country' ).change( function ( event ) { 5: var $country=$( &qu
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