有没有办法像Ajax一样实时更新ASP页面？(Is there a way to make ASP page update in real time, like Ajax?)

有没有办法像Ajax一样实时更新ASP页面？(Is there a way to make ASP page update in real time, like Ajax?)

有没有办法像Ajax一样实时更新ASP页面？

Is there a way to make ASP page update in real time, like Ajax?

最满意答案

我将向您简要介绍ASP和AJAX，以帮助您了解这两种技术之间的区别。

ASP

ASP是一种服务器端语言。 喜欢它的表兄弟：Python，Ruby，PHP。 它用于在服务器上生成动态内容，然后将其作为HTML传递到客户端的浏览器。 ASP无法实时“更新”任何内容，因为它无法连接到自己的客户端进行更新。 您的ASP服务器的每次更新/响应都必须响应客户端的请求。

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AJAX

AJAX代表异步Javascript和XML。 它本身不是一种语言。 这里的语言是Javascript，主要是客户端语言。 AJAX函数由运行在客户端计算机上的javascript向您的服务器发送“特殊”请求（XMLHTTPRequest），并接收响应。 然后，Javascript使用此响应动态更新页面。

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也就是说，在开始尝试创建内容之前，您应该先研究Javascript和ASP。 AJAX在某种程度上是一个高级主题。 如前所述http://asp.net/ajax是一个很好的资源。

I'll give you a brief summary of ASP & AJAX to help you understand the difference between these two technologies.

ASP

ASP is a server-side language. Like it's cousins: Python, Ruby, PHP. It is used to generate dynamic content on the server, and then pass it along as HTML to the client's browser. ASP cannot "update" anything in realtime, as it cannot connect to a client of it's own accord to make an update. Each update/response from your ASP server must be in response to a request from the client.

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AJAX

AJAX stands for Asynchronous Javascript And XML. It is not a language in and of itself. The language here is Javascript, which is primarily a client-side language. AJAX functions by the javascript running on the client machine sending a "special" request (XMLHTTPRequest) to your server, and receiving a response. Javascript then uses this response to update the page dynamically.

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That said, you should study up on both Javascript and ASP before you begin attempting to create something. AJAX is somewhat of an advanced topic. As mentioned previously http://asp.net/ajax is a good resource.