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hi all ,
This application is an simple example of how you can send a POST request to an dynamic web page.Here is used php file .You can take the name of the user .Send it to the php file as a paramter and in the php file you can make the proccessing you want on it .Here i just make a echo call in the php file .In the Ajax file (html) you can take the response of your request and show it on the browser.

Here is the HTML file for the Ajax :
html code
<html >
<script type="text/javascript">
function doAjaxPost(myform)
{

var message="myname="+myform.elements["myname"].value;
var url="ajaxform.php";
var request=null;

if(window.XMLHttpRequest)
{

request=new XMLHttpRequest();
}
else if(window.ActiveXObject)
{

request = new ActiveXObject("Microsoft.XMLHTTP");
}

if(request)
{
request.open("POST",url);
request.setRequestHeader("Content-Type",
"application/x-www-form-urlencoded; charset=UTF-8");

request.onreadystatechange = function() {
if(request.readyState==0)
document.getElementById('status').innerHTML='Uninitialized';
else if(request.readyState==1)
document.getElementById('status').innerHTML='Loading...';
else if(request.readyState==2)
document.getElementById('status').innerHTML='Loaded';
else if(request.readyState==3)
document.getElementById('status').innerHTML='Interactive';
else if(request.readyState==4)
{
document.getElementById('status').innerHTML='Completed';

document.getElementById("display").innerHTML =
request.responseText;
}

}
request.send(message);




}
else
document.getElementById('Txtdata').value='Nothing';
}

</script>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<body>
<span id='status' ></span><br/>
<form >

Name :<input type='text' size='50' name='myname'/><br/>
<input type='button' onclick="doAjaxPost(this.form);"; value="submit"/>

</form>
<div id='display'>
</div>

</body>
</html>


And here is the PHP file :
Code:

<?

  $name
=$_REQUEST['myname'];
  
   echo 
"Welcome ".$name." to AJAX world  !";
  
  ?>


i wish it will be helpful for you ,if you faced any problem while running it just reply to my post :smile:




Author:
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