Flex Socket 与　Ｃ#　通信

Flex端代码：
<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600"
>
<fx:Script>
<!--[CDATA[

import mx.controls.Alert;
/////////////////////////////////
//private member
private var xmlsocket:XMLSocket= new XMLSocket();
private var alert:Alert;
private var tmpStr:String;

/////////////////////////////////

//连接服务器
private function ConncetServer():void
{
xmlsocket.addEventListener(DataEvent.DATA,OnRecived);
xmlsocket.addEventListener(Event.CONNECT , onConnected);
this.xmlsocket.connect(this.txtIP.text,int(this.txtPort.text));

}

private function onConnected(evt:Event):void
{
xmlsocket.send(this.txtTrueName.text+" has connected");
this.txtContent.text=this.txtContent.text+"连接成功\n";
}

//发送信息
private function Send():void
{
this.xmlsocket.send(this.txtTrueName.text+"|"+this.txtSendContent.text+"\n");
}

//接收数据
private function OnRecived(event:DataEvent):void
{
trace("等待读取数据信息");

tmpStr = event.text;

//alert=Alert.show("收到新消息","消息");

this.txtContent.text=this.txtContent.text+"\n"+tmpStr;
}
]]-->
</fx:Script>
<fx:Declarations>
<!-- 将非可视元素（例如服务、值对象）放在此处 -->
</fx:Declarations>

<s:Panel right="0" left="0" top="0" bottom="0" horizontalCenter="left">
<mx:TextInput borderColor="#070D04" borderStyle="inset" id="txtIP" text="192.168.1.99" left="88" top="23"/>
<mx:TextInput borderColor="#070D04" borderStyle="inset" width="94" id="txtPort" text="6666" left="293" top="23"/>
<mx:TextInput borderColor="#070D04" borderStyle="inset" width="94" id="txtTrueName" t