Hello, I'm new at Ajax and Javascript. Can anyone help me on this?
I'm calling 2 Ajax funcions, one after the other, with a delay time in between.
The first call executes a script that inserts a row in a MySQL database.
The second call execustes a cript that lists what's in the database.
What I'm losing is the response from the first script saying a row has been inserted, for instance. It should appear in a div named "message".
Seems the response from the second script overrrides it, although it goes to another div named "rows".
What I'm trying now is storing the response from the first call in a variable named "reply" and then showing it in the div, along with the reply from the second call. But it's not working (shows as "undefined"), and I don't know why... any help very appreciated.
var xmlhttp;
var reply;
function insertList(str)
{
insert(str);
setTimeout("list()", 100);
}
function list()
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
{
alert ("Browser too old");
return;
}
var url="list.php";
url=url+"?sid="+Math.random();
xmlhttp.onreadystatechange=stateChangedList;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}
function insert(str)
{
xmlhttp=GetXmlHttpObject();
if (xmlhttp==null)
{
alert ("Browser too old");
return;
}
var url="insert.php";
url=url+"?nom="+str;
url=url+"&sid="+Math.random();
xmlhttp.onreadystatechange=stateChangedInsert;
xmlhttp.open("GET",url,true);
xmlhttp.send(null);
}
function stateChangedLlist()
{
if (xmlhttp.readyState==4)
{
document.getElementById("rows").innerHTML=xmlhttp.responseText; <------ THIS MESSAGE SHOWS OK.
document.getElementById("message").innerHTML=reply; <---- THIS IS WHAT I'M TRYING NOW BUT IT'S NOT WORKING. SHOWS AS "undefined"
}
}
function stateChangedInsert()
{
if (xmlhttp.readyState==4)
{
document.getElementById("message").innerHTML=xmlhttp.responseText; <----- THIS MESSAGE IS LOST.
reply=xmlhttp.responseText; <----- THIS IS WHAT I'M TRYING NOW BUT IT'S NOT WORKING.
}
}
function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
{ // code for IE7+, Firefox, Chrome, Opera, Safari
return new XMLHttpRequest();
}
if (window.ActiveXObject)
{ // code for IE6, IE5
return new ActiveXObject("Microsoft.XMLHTTP");
}
return null;
}
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