总体而言，您听起来像是从客户端与服务器端对话.您的问题不太清楚.
为了从客户端与服务器对话，
通过客户端(Javascript)与服务器端进行交互的方法很少:
1. XMLHttpRequest [回调 [ Web服务调用 [ PageMethod [

Overall, you sound like talking to server side from client side. Your question is not too clear.
In order to talk to server from client,
There are few ways to interact with server side through client side(Javascript):
1. XMLHttpRequest[^]
2. Callback[^]
3. WebService call[^]
4. PageMethod[^]