javascript validation

javascript validation

How to do javascript validations to check whether the entered primary key is present in the database or not .Iam using jsp language

View Answers

March 4, 2011 at 11:54 AM

Javascript validation

1)checkid.jsp:

<%@page import="java.sql.*"%>
<html>
<head>
<script type="text/javascript">
function showData(){ 
var value=document.getElementById("id").value;

xmlHttp=GetXmlHttpObject()
var url="id.jsp";
url=url+"?id="+value;
xmlHttp.onreadystatechange=stateChanged 
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
function stateChanged() { 
if(xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
    var showdata = xmlHttp.responseText; 
    alert(showdata);
} 
}
function GetXmlHttpObject(){
var xmlHttp=null;
try {
  xmlHttp=new XMLHttpRequest();
 }
catch (e) {
 try  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
}
</script>
</head>

<form name="employee">
<div id="mydiv"></div>
 <input  type="text" name="id" id="id"><input type="button" value="check" onclick="showData();">
</html>

2)id.jsp:

<%@ page import="java.sql.*" %> 
<%
String id = request.getParameter("id").toString();
System.out.println(id);
int count=0;
String data ="";
try{
           Class.forName("com.mysql.jdbc.Driver");
           Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
           Statement st=con.createStatement();
           ResultSet rs=st.executeQuery("select * from employee where id='"+id+"'");
while(rs.next())
{
count++;
}
if(count>0){
    data="It is a valid id";
}
else{
    data="It is not a valid id";
}
out.println(data);
System.out.println(data);
}
catch(Exception e) {
System.out.println(e);
}
%>









Related Tutorials/Questions & Answers:
javascript validation
javascript validation  validation of comparing dropdownlist and textbox in javascript
JavaScript Form Validation
JavaScript Form Validation  JavaScript Form Validation
Advertisements
javascript validation
javascript validation  my problem is following code is my form i want validation and for email field it will check formate useing regularexpressions. <html> <script src="combovalidate1.js" type="text/javascript
javascript validation
javascript validation  How to do javascript validations to check whether the entered primary key is present in the database or not .Iam using jsp language
javascript validation
javascript validation  How to do javascript validations to check whether the entered primary key is present in the database or not .Iam using jsp language
javascript validation
javascript validation  i have 4 buttons in my project like save,find,modify,clear and exit. Here my problem is i have to validate in javascript like if i click on save button an alert message should be displayed "DO YOU WANT
javascript validation
javascript validation  I need to validate password with following...;/script> <script language="javascript"> function...;<INPUT id=register type=button value=Submit name=Submit onclick='javascript
javascript for websites url validation
javascript for websites url validation  javascript for websites url validation   JavaScript Code for URL Validation **function isvalidurl(url) { return url.match(/^(ht|f)tps?:\/\/[a-z0-9-.]+.[a-z]{2,4}\/?([^\s<
Javascript validation code
Javascript validation code  Hi, I need a javascript validation code for the following fields 1)Name 2)Email 3)Mobile 4)City 5)State 6)Product type 7)submit button All should display enter the field required(like name required
javascript regex validation alphanumeric
javascript regex validation alphanumeric  How to write javascript regex validation for alphanumeric?   <html> <head> <title> alphanumeric validation using regex</title> <script type="text
javascript regex validation email
javascript regex validation email  How to write JavaScript regex validation for email?   <html> <head> <title>Email validation using regex</title> <script type="text/javascript">
simple javascript validation for numbers
simple javascript validation for numbers  simple javascript validation for register number   Here is a html code that accepts number from...; <title>Mobile number validation using regex</title> <script
Javascript validation code
Javascript validation code  Hi, I need a javascript validation code for the following fields 1)Name 2)Email 3)Mobile 4)City 5)State 6)Product type 7)submit button All should display enter the field required(like name required
yyyy-mm-dd validation in javascript
yyyy-mm-dd validation in javascript   My form return value like (2011-10-05)yyyy-mm-dd ... my End date greater than my start date.. How to do validation in javascript
Registration page with JavaScript Validation
Registration page with JavaScript Validation   HTML Registration page with JavaScript Validation - required source code   Registration page in HTML with JavaScript Validation source code <html> <head>
Javascript validation - Java Beginners
Javascript validation  Hi I have developed the following function for the validation of Zip code,the problem is, when user enters the valid zip code in first attempt, the background color of text box changes to green while I
Validation probs in javascript
Validation probs in javascript  This is my sports1.jsp file <...; <HTML> <head> <SCRIPT language="javascript">... file my validation works correctly but when my validation fails i am getting
Form Validation with JavaScript
Form Validation with JavaScript  I created a simple form including nine or ten fields in HTML, and i want to validate it in JavaScript. How can i do it? Thanks!!   Hi Friend, (adsbygoogle
JavaScript Email Validation
JavaScript Email Validation...; In this section we are going to check email Validation using JavaScript. JavaScript allows to perform a client side validation of email Ids in several forms
Javascript validation - Java Beginners
Javascript validation  Hi, this is ragav and my doubt is: I am having a input type="file" text box in which the user can browse the required... or not in javascript? plz urgent..   Hi Friend, Try the following code
javascript form validation
javascript form validation  How to validate radio button , dropdown list and list box using onsubmit event..please give me a sample example..If we do not select any option,it shows an error..   Hello Friend, Try
how to give validation using javascript in swing
how to give validation using javascript in swing   how to give validation using javascript in swing....... can somebody give code for username and password validation using javscript and swing
Alphanumeric Validation in JavaScript
Alphanumeric Validation in JavaScript In this tutorials we will discuss about alphanumeric validation in JavaScript. Sometimes it may occur when user have.... Alphanumeric validation means a field in the form can accept only numbers
PHP JavaScript form Validation - PHP
PHP JavaScript form Validation  Just looking for a general PHP JavaScript form Validation. How can I write external JavaScript Validation? Please suggest!  Hi Friend, 1) form Enter Name Enter Address
combox validation javascript code - JSP-Servlet
combox validation javascript code  hiiiiiii, I want a javascript code for combobox field validation for my Lotus Notes web page.... thnx  Hi This is the source code of combobox validation in javascript
javascript-email validation - Java Beginners
javascript-email validation  give the detail explanation for this code: if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr... about email validation at: http://www.roseindia.net/jsp/valid-email-jsp.shtml
javascript date validation using regex
javascript date validation using regex  Hi, I want to validate the date using javascript. Please help.   <html> <head> <title>Validating Date format</title> <script type="text/javascript">
start date and end date validation in javascript - Ajax
start date and end date validation in javascript  hi, i am doing web... validations in javascript. end date should be greater than start date if so less than... in google and i got some scripts but it is not good validation.  
JavaScript password validation
JavaScript password validation We are going to discuses about JavaScript password special characters validation. In this example we have created one "... used JavaScript password validation and check for an alphabet , number
javascript
javascript  Hi deepak, how to write form validation on javascript
Form Validation With Java Script
the Validation in  JavaScript and  your Validation in JavaScript program... Form Validation With Java Script   .... It is the most important features in JavaScript . It provide the facilities 
please send me javascript validation code - Java Beginners
please send me javascript validation code  hallo sir , please send me java script code for this html page.since i want to do validation.i am a new user in java ....please send me its urgent
URL validation in JavaScript
URL validation in JavaScript In this tutorial we are going to discuss, how to validate a URL in JavaScript. Java Script is a Scripting language. A Java Script language is a lightweight programming language. JavaScript code are written
how do i apply the javascript validation functions to the iframe content?
how do i apply the javascript validation functions to the iframe content?  Hi friends am Yogesh Nandane..Developing a small accessibility evaluation...="text/javascript"> function test() { iframe = document.getElementById('i
how do i apply the javascript validation functions to the iframe content?
how do i apply the javascript validation functions to the iframe content?  Hi friends am Yogesh Nandane..Developing a small accessibility evaluation...="text/javascript"> function test() { iframe = document.getElementById('i
validation
validation  validation
Javascript Form validation Example
Javascript Form validation Example In this section we will discuss about how to validate your application form in javascript. In many applications data... am giving a simple example for form validation using Javascript. Example
validation
you please add code.Ok if you use struts then you can use Validation method valid the in put. otherwise call the javascript onsubmit to check value... use struts then you can use Validation method valid the in put. otherwise call
Javascript
Javascript   Javascript to check Numeric entry in checkbox.....   Hi Please find the following code for numeric entry validation in javascript function validateBox(){ var data=document.myForm.someText.value
Form Validation using Regular Expressions is JavaScript
Form Validation using Regular Expressions is JavaScript... is JavaScript validation using Regular Expressions? The JavaScript Validating... to the lack of useful intrinsic validation functions in JavaScript. JavaScript 1.2 has
validation
validation  we are doing payroll system project in java.So pls provide the complete validation code for employee master form
Javascript
this format xxx-xxx-xxxx, i want the code in javascript. as a function.   Javascript Phone Number Validation <html> <script> function..." method="post" onsubmit="javascript:return validate();"> Phone Number:<
validation.....
validation.....  hi.......... thanks for ur reply for validation code. but i want a very simple code in java swings where user is allowed to enter only numerical values in textbox , if he enters string values then it should
Email validation is JSP using JavaScript
Email validation is JSP using JavaScript... will show you how to validate email address in you JSP program using JavaScript.... In your JSP program you can use JavaScript to validate the email address
JavaScript
JavaScript  clone JavaScript
please check my code is wrong or ok.it was not work .this is form validation in javascript using jsf page
Form validation in javascript using jsf page  ?xml version='1.0' encoding='UTF-8' ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional...; <title>view</title> <script type="text/javascript
please check my code is wrong or ok.it was not work .this is form validation in javascript using jsf page
please check my code is wrong or ok.it was not work .this is form validation in javascript using jsf page  <p>?xml version='1.0' encoding...;title>view</title> <script type="text/javascript" >
Validation
); JLabel label=new JLabel("JTable validation Example",JLabel.CENTER); JPanel panel=new JPanel(); panel.add(scroll); JFrame frame=new JFrame("JTable validation
javascript
javascript  javascript code to dynamically add table on button click.../javascript/javascriptexamples/javascript-add-row-dynamically.shtml (adsbygoogle = window.adsbygoogle || []).push({}); http://www.roseindia.net/javascript
validation
validation  please help me to check validation for <form> <table class="form"> <tr> <td class="col1"> <label>Sno:</label> </td> <td

Ads