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POAjax Form Validation Problem
 

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  1. POAjax Form Validation Problem
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    <p>I've got my form validation almost working but I can't seem to figure this last problem out.</p> <p>I'm trying to send back error messages and position them in their own div next to their relevant form fields.</p> <p>I've got an error message coming back in its own div, but when I try to send multiple messages back nothing happens, any thoughts?</p> <p>Here's most of my ajax</p> <pre><code>function regForm(thisform) { //Reg user form check xmlHttp=GetXmlHttpObject(); if (xmlHttp==null) { alert ("Browser does not support HTTP Request"); return; } var formdata = ""; formdata = "lname=" + thisform.elements['lname'].value + "&amp;fname=" + thisform.elements['fname'].value + "&amp;email=" + thisform.elements['email'].value + "&amp;username=" + thisform.elements['username'].value + "&amp;pass=" + thisform.elements['pass'].value + "&amp;pass2=" + thisform.elements['pass2'].value; //send the data through the url - frist is the name i want to call it... second grad the content from the form using its id xmlHttp.onreadystatechange=formSubmitted; xmlHttp.open("POST", "adduser.php",true); xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); xmlHttp.setRequestHeader("Content-length", formdata.length); xmlHttp.setRequestHeader("Connection", "close"); xmlHttp.send(formdata); return false; } function formSubmitted() { if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { xmlDoc=xmlHttp.responseXML; //document.getElementById("feedback").innerHTML = xmlHttp.responseText; document.getElementById("feedback1").innerHTML= xmlDoc.getElementsByTagName("lname")[0].childNodes[0].nodeValue; document.getElementById("feedback2").innerHTML= xmlDoc.getElementsByTagName("fname")[0].childNodes[0].nodeValue; } } </code></pre> <p>and here is my simple adduser.php page so far</p> <pre><code>&lt;?php header('Content-Type: text/xml'); $lname = mysql_real_escape_string($_POST['lname']); $fname = mysql_real_escape_string($_POST['fname']); if($lname == NULL) { echo "&lt;lname&gt;NEED TO FILL&lt;/lname&gt;"; } //if($fname == NULL) { //echo "&lt;fname&gt;NEED TO FILL&lt;/fname&gt;"; //} else { echo "&lt;lname&gt; &lt;/lname&gt;"; //echo "&lt;fname&gt; &lt;/fname&gt;"; } ?&gt; </code></pre> <p>As you can see I've got the fname information commented out right now and my messaging is working for lname but as soon as I uncomment the fname stuff in hopes to send a message for both lname and fname nothing happens I don't understand why.</p> <p>Any insight would be a big help! Thanks.</p>
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    1. USAdam
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    1. COyou should encode the parameters values using window.encodeURIComponent: https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Functions/encodeURIComponent
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      1. POAjax Form Validation Problem
      1. USEric Bréchemier
 

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