如何使用IHTTPAsyncHandler？

发布于 2024-07-12 13:02:01 字数 166 浏览 3 评论 0原文

想象一下，我有一些代码需要从文件的开头到结尾读取，如下所示：

while(sw.readline != null)
{

}

我希望这是完全异步的。当从 IHTTPAsyncHandler 派生时，这段代码会去哪里？获取每行内容的代码会去哪里？

原文

Imagine I have some code to read from the start to end of a file like so:

while(sw.readline != null)
{

}

I want this to be fully asynchronous. When deriving from IHTTPAsyncHandler, where would this code go and where would would the code to get the content of each line go?

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燃情 2024-07-19 13:02:01

我最近向 ASP.NET 页面添加了一些异步进程，以便在用户等待结果时允许一些长时间运行的进程发生。我发现 IHTTPAsyncHandler 相当不够。它所做的只是允许您在页面开始处理时分离一个新线程。您仍然需要创建自己的线程并创建 AsyncRequestResult。

相反，我最终只是在代码隐藏中使用普通线程，更加简洁：

using System;
using System.Web;
using System.Threading;

namespace Temp {
    public partial class thread : System.Web.UI.Page {
        protected void Page_Load(object sender, EventArgs e) {
            Thread thread = new Thread(new ThreadStart(myAsyncProcess));
            thread.Start();
        }

        private void myAsyncProcess() {
            // Long running process
        }
    }
}

I recently added some asynchronous processes to my ASP.NET pages in order to allow some long-running processes to take place while the user waited for the results. I found the IHTTPAsyncHandler quite inadequate. All it does is allow you to spin off a new thread while the page begins processing. You still have to make your own thread and create a AsyncRequestResult.

Instead I ended up just using a normal thread in my codebehind instead, much more succinct:

using System;
using System.Web;
using System.Threading;

namespace Temp {
    public partial class thread : System.Web.UI.Page {
        protected void Page_Load(object sender, EventArgs e) {
            Thread thread = new Thread(new ThreadStart(myAsyncProcess));
            thread.Start();
        }

        private void myAsyncProcess() {
            // Long running process
        }
    }
}

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