LoadVars - communication with a server

[Chiara81000]

Hi All,
I'm really newbie of Flash Lite, but i did something with Flash in the past. So If I said something completely wrong, be patient...
I would like to exchange data with a server. My mobile should take the path of an image. It sends some data (var1, var2) to a php server and the server answers with a string that is a path.
I implemented this with the following code:

on(release){
	var envelope:LoadVars = new LoadVars();
	var envelope_rcv:LoadVars = new LoadVars();
	envelope.val1 = '41.5';
	envelope.val2 = '12.3';
	envelope.sendAndLoad("http://www.mywebsite.com/try.php",envelope_rcv,"GET");
	_root.text1 = envelope_rcv.path;
}

_root.text1 is undefined after I press the button.
Is there any error according to you?
How would you deliver that issue?
Thank you

[mariamDh]

Hi,

The written code does not give sufficient time for sending the data across the network and receiving the result.

envelope.sendAndLoad("http://www.mywebsite.com/try.php",envelope_rcv,"GET");
_root.text1 = envelope_rcv.path;

You can rewrite this piece of code using the "onLoad" event handler. This handler is invoked after the implementation of sendAndLoad. Moreover, it is not necessary to have 2 LoadVars instances.

url = "http://www.mywebsite.com/try.php";
var envelope:LoadVars = new LoadVars();
envelope.val1 = '41.5';
envelope.val2 = '12.3';
envelope.sendAndLoad(url,envelope,"POST");

envelope.onLoad = function(success){
    //assuming path is the result returned from php
   _root.text1 = this.path;
}