i have problem why script server-side not execute

exp.

code client side

_global.connString = "rtmp://192.168.0.125/record_video/fcsBroadcast";
nc = new NetConnection();
nc.onStatus = ncStatus;
nc.connect(connString, "BROADCASTER");
......

switch (nsObj.code) {
case "NetConnection.Connect.Success" :
trace("ok this case");

}


it connect to server success but why!!!!! script server -side not execute or
process
i have file main.asc in folder
C:\Program Files\Macromedia\Flash Communication Server
MX\applications\record_video

why it not execute this file

server side

trace("Hello ya test very good");

application.onAppStart = function() {
trace("starting up");

.........
it not output this script server-side

why tell me please

thanks very much for answer me
shadowya

sorry