Solved

Ajax return a form using innerHTML

Posted on 2009-05-14
2
761 Views
Last Modified: 2012-05-07
I got two selectboxes and when select each option it returns the ajax data through innerHTML. The ajax data return a complete form including labels,buttons,textfields. This seems to be working but i want to know if its safe or practical to send a complete form via ajax? if not, are there any alternative method i can use to send ajax data into a form? i've attached my code below. please let me know any comments.
************** Ajax code *************

function ajaxFunction(){
 

var ajaxRequest; // The variable that makes Ajax possible!
 

try{

// Opera 8.0+, Firefox, Safari

ajaxRequest = new XMLHttpRequest();

} catch (e){

// Internet Explorer Browsers

try{

ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");

} catch (e) {

try{

ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");

} catch (e){

// Something went wrong

alert("Your browser broke!");

return false;

}

}

}

// Create a function that will receive data sent from the server

ajaxRequest.onreadystatechange = function(){

if(ajaxRequest.readyState == 4){

var ajaxDisplay2 = document.getElementById('priceDiv');

ajaxDisplay2.innerHTML = ajaxRequest.responseText;

}

}

var prodref = document.getElementById('prodref').value;

var color = document.getElementById('color').value;

var packaging = document.getElementById('packaging').value;
 

var queryString = "?prodref=" + prodref + "&att1=" + color + "&att2=" + packaging ;

ajaxRequest.open("GET", "/includes/php/ajax_shopping_update.php" + queryString, true);

ajaxRequest.send(null); 

//alert(queryString);

}
 
 

***************product.php**********************

<select name="packaging" class="product_formDropdown" onChange="ajaxFunction();">

<option value="">--- Select Packaging ---</option>

<?php 

while($rsatt2 = mysql_fetch_array($rsgetatt2))

{

echo '<option value="'.$rsatt2['packaging'].'">'.$rsatt2['packaging'].'</option>';

}

?>

</select>

<div id='priceDiv'><p><strong>choose options</strong>
 

*******************************************************

*********ajax-shopping-update.php**************

$prodref = $_GET['prodref'];

$color = $_GET['att1'];

$packaging = $_GET['att2'];
 

if ($prodref != "")

{

$query2 = "SELECT * FROM sub_products WHERE prod_ref='".$prodref."' AND attribute1='".$color."' AND attribute2='".$packaging."'";

$result=mysql_query($query2);

$row=mysql_fetch_array($result);

echo '<form method="post" class="product_form" action="shopping_basket.php">

		<h2><strong>Price : ' .$row['price']. '</strong></h2>

		<p>

		<input type="image" src="/images/product-add.gif" value="Submit" class="product_form_button">

		</p>

	</form>';
 

mysql_close();
 

}

*************************************************

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0
Comment
Question by:Herci
2 Comments
 
LVL 4

Expert Comment

by:Fugas
Comment Utility
I'm using prototype.js to make Ajax calls. It also directly supports POST method and to the call you may use only the serialize() method of the form. All you need to know is here http://www.prototypejs.org/
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Accepted Solution

by:
Herci earned 0 total points
Comment Utility
I managed to solve this by just calling the form containing page through an ajax request display in a DIV
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