如何使用asp.net从网页中抓取数据

Question

我想从我的html页面中获得值。我试着用HttpWebRequest获得同样的信息，但是到目前为止我还不能做到，请帮助我？

    <div class="container">

        <div class="one-third column">
<ol start="181">
<li><a href="/lyrics/hindi-lyrics-of-Aaye%20Din%20Bahar%20Ke.html">Aaye Din Bahar Ke</a>
</li><li><a href="/lyrics/hindi-lyrics-of-Aayega%20Aane%20Wala.html">Aayega Aane Wala</a>
</li><li><a href="/lyrics/hindi-lyrics-of-Aayi%20Milan%20Ki%20Raat.html">Aayi Milan Ki Raat</a>

</li><li><a href="/lyrics/hindi-lyrics-of-Aiyyaa.html">Aiyyaa</a>
</li><li><a href="/lyrics/hindi-lyrics-of-Ajab%20Gazabb%20Love.html">Ajab Gazabb Love</a>

</li></ol>
    </div>

<div class="sixteen columns">

<hr>
More Pages: 
<a href="hindi-songs-starting-A.html">1</a> : <a href="hindi-songs-starting-A-page-2.html">2</a> : 3 : <a href="hindi-songs-starting-A-page-4.html">4</a> : <a href="hindi-songs-starting-A-page-5.html">5</a> : <a href="hindi-songs-starting-A-page-6.html">6</a> : 
        <hr>
<center>

<h4>Hindi Lyrics By Movie Title</h4>
<p>         
<a href="/lyrics/hindi-songs-starting-0.html">0-9</a>
<a href="/lyrics/hindi-songs-starting-A.html">A</a>
<a href="/lyrics/hindi-songs-starting-B.html">B</a>

<a href="/lyrics/hindi-songs-starting-W.html">W</a>
X
<a href="/lyrics/hindi-songs-starting-Y.html">Y</a>
<a href="/lyrics/hindi-songs-starting-Z.html">Z</a>
 | <a href="http://www.hindilyrics.net/songs/">Top Songs</a>
</p>
</center>

    </div>

这是我的html，我想得到所有的链接

Answer 1

您可以使用System.Net.Http.HttpClient类，它是GetAsync()方法。HttpClient类为异步下载网站提供了很好的特性。或者可以使用WebRequest类--这是一种非常基本的方法。