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Showing posts from January 26, 2014

How to use Multi-Select Dropdown List in html select input using Jquery in JSP page with limited selections ?

Below Code Snippet shows Selecting Multiple Values $(document).ready(function() { $("#multiselect").dropdownchecklist( { onItemClick: function(checkbox, selector){ var justChecked = checkbox.prop("checked"); var checkCount = (justChecked) ? 1 : -1; for( i = 0; i 3 ) { alert( "Limit is 3 fruits to choose" ); throw "too many"; } },width: 250 }); });  Below code index.jsp page with jquery javascript, css, Ui, codes are imported Multiple Select Example Jquery Select Fruits Apple Mango Orange Strawberry Banana Output Page:

Jsp / Java Password Encrypt and Decrypt Example

From Previous post  Now in this post I will use Encryption/ Decryption mechanism on password input password field using AES algorithm , I am just adding UtilsSecure. java class and it has two methods; 1. Encrypt Method encrypt(String strToEncrypt) to encrypt the user given password to cipher text 2. Decrypt Method decrypt(String strToDecrypt) to decrypt the ciper text back to original password content. Below code shows UtilsSecure.java class file package com.ajax.example; import javax.crypto.Cipher; import javax.crypto.spec.SecretKeySpec; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.CommandLineParser; import org.apache.commons.cli.HelpFormatter; import org.apache.commons.cli.Option; import org.apache.commons.cli.Options; import org.apache.commons.cli.PosixParser; import org.apache.commons.codec.binary.Base64; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class UtilsSecure { ...

JSP and Servlet Form Submission without page refresh show results on the same page using Jquery AJAX

Code Snippet HTML Form  <form id='ajaxform' name='ajaxform' action='ajaxformexample' method='post'>  First Name: <input type='text' id='firstname' name='firstname' size='30' required/><br/>  Last Name: <input type='text' id='lastname' name='lastname' size='30'required/><br/>  Email:  <input type='email' id='emailid' name='emailid' size='30'required/><br/>  Password:  <input type='password' id='pwd' name='pwd' size='30'required/><br/>  <input type='Submit'/>   <div id='content'> </div> </form> the above HTML Form uses post method and url servlet redirect to " ajaxformexample " Javascript Code  var form = $('#ajaxform'); // id of form tag  form.submit(function () {  $.ajax({  ...