ASP.net抓取网页指定内容——怎么抓
这个是抓取了整个页面的内容代码
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(TextBox1.Text);
HttpWebResponse webResponse = (HttpWebResponse)webRequest.GetResponse();
Stream stream = webResponse.GetResponseStream();
StreamReader reader = new StreamReader(stream, System.Text.Encoding.GetEncoding("utf-8"));
//整个页面内容
Label1.Text = reader.ReadToEnd();
<table width="100%" border="0" cellspacing="1" cellpadding="3" bgcolor="#EFEFEF">asp.net 内容抓取
<tr bgcolor="#FFFFFF">
<th width="70%" align="center">标题</th>
<th width="15%" align="center">栏目</th>
<th width="15%" align="center">上线时间</th>
</tr>
<tr bgcolor="#FFFFFF">
<td width="70%" align="left"><a href="http://www.ccmtv.cn/bencandy.php?fid=52&id=3102" target="_blank" title='' style="">蔡军教授寄语</a></td>
<td width="15%" align="center">专家寄语</td>
<td width="15%" align="center">2013-07-05</td>
</tr>
<tr bgcolor="#FFFFFF">
<td width="70%" align="left"><a href="http://www.ccmtv.cn/bencandy.php?fid=643&id=2983" target="_blank" title='' style="">蔡三军：对大肠癌肝转移患者 外科医生应始终积极主动</a></td>
<td width="15%" align="center">独家专访</td>
<td width="15%" align="center">2013-07-03</td>
</tr>
string a = @"<table width=""100%"" border=""0"" cellspacing=""0"" cellpadding=""0"" class=""dragTable"">
<tr>
<td class=""head""><h2>搜索结果</h2></td>
</tr>
<tr>
<td class=""middle"">
<table width=""100%"" border=""0"" cellspacing=""1"" cellpadding=""3"" bgcolor=""#EFEFEF"">
<tr bgcolor=""#FFFFFF"">
<th width=""70%"" align=""center"">标题</th>
<th width=""15%"" align=""center"">栏目</th>
<th width=""15%"" align=""center"">上线时间</th>
</tr>
<tr bgcolor=""#FFFFFF"">
<td class=""js-crm-title"" width=""70%"" align=""left""><a href=""http://www.ccmtv.cn/bencandy.php?fid=52&id=3102"" target=""_blank"" title='' style="""">蔡三军教授寄语</a></td>
<td class=""js-crm-channel"" width=""15%"" align=""center"">专家寄语</td>
<td class=""js-crm-day"" width=""15%"" align=""center"">2013-07-05</td>
</tr>
<tr bgcolor=""#FFFFFF"">
<td class=""js-crm-title"" width=""70%"" align=""left""><a href=""http://www.ccmtv.cn/bencandy.php?fid=643&id=2983"" target=""_blank"" title='' style="""">蔡三军：对大肠癌肝转移患者 外科医生应始终积极主动</a></td>
<td class=""js-crm-channel"" width=""15%"" align=""center"">独家专访</td>
<td class=""js-crm-day"" width=""15%"" align=""center"">2013-07-03</td>
</tr>
<tr bgcolor=""#FFFFFF"">
<td class=""js-crm-title"" width=""70%"" align=""left""><a href=""http://www.ccmtv.cn/bencandy.php?fid=555&id=2746"" target=""_blank"" title='' style="""">蔡三军：肠癌肝转移临床研究的中西方比较——CLIME研究的中期分析</a></td>
<td class=""js-crm-channel"" width=""15%"" align=""center"">肿瘤分子靶向治疗论坛</td>
<td class=""js-crm-day"" width=""15%"" align=""center"">2013-05-16</td>
</tr>
<tr bgcolor=""#FFFFFF"">
<td class=""js-crm-title"" width=""70%"" align=""left""><a href=""http://www.ccmtv.cn/bencandy.php?fid=45&id=2475"" target=""_blank"" title='' style="""">蔡三军：根治性右半结肠切除术</a></td>
<td class=""js-crm-channel"" width=""15%"" align=""center"">大家手术</td>
<td class=""js-crm-day"" width=""15%"" align=""center"">2013-05-14</td>
</tr>
<tr bgcolor=""#FFFFFF"">
<td class=""js-crm-title"" width=""70%"" align=""left""><a href=""http://www.ccmtv.cn/bencandy.php?fid=110&id=2275"" target=""_blank"" title='' style="""">蔡三军：局部进展期直肠癌的外科治疗策略——最佳手术时机及方式选择</a></td>
<td class=""js-crm-channel"" width=""15%"" align=""center"">专家讲课</td>
<td class=""js-crm-day"" width=""15%"" align=""center"">2013-05-13</td>
</tr>
<tr bgcolor=""#FFFFFF"">
<td class=""js-crm-title"" width=""70%"" align=""left""><a href=""http://www.ccmtv.cn/bencandy.php?fid=509&id=2177"" target=""_blank"" title='' style="""">蔡三军：大肠癌规范性综合治疗</a></td>
<td class=""js-crm-channel"" width=""15%"" align=""center"">专家讲课</td>
<td class=""js-crm-day"" width=""15%"" align=""center"">2013-05-10</td>
</tr>
<tr bgcolor=""#FFFFFF"">
<td class=""js-crm-title"" width=""70%"" align=""left""><a href=""http://www.ccmtv.cn/bencandy.php?fid=441&id=1689"" target=""_blank"" title='' style="""">蔡三军教授专访</a></td>
<td class=""js-crm-channel"" width=""15%"" align=""center"">独家专访</td>
<td class=""js-crm-day"" width=""15%"" align=""center"">2013-05-09</td>
</tr>
<tr bgcolor=""#FFFFFF"">
<td class=""js-crm-title"" width=""70%"" align=""left""><a href=""http://www.ccmtv.cn/bencandy.php?fid=108&id=925"" target=""_blank"" title='' style="""">蔡三军</a></td>
<td class=""js-crm-channel"" width=""15%"" align=""center"">专家简介</td>
<td class=""js-crm-day"" width=""15%"" align=""center"">2013-04-25</td>
</tr>
<tr bgcolor=""#FFFFFF"">
<td class=""js-crm-title"" width=""70%"" align=""left""><a href=""http://www.ccmtv.cn/bencandy.php?fid=49&id=687"" target=""_blank"" title='' style="""">蔡三军：结直肠癌MDT</a></td>
<td class=""js-crm-channel"" width=""15%"" align=""center"">超级访问</td>
<td class=""js-crm-day"" width=""15%"" align=""center"">2013-04-08</td>
</tr>
</table>
<table width=""100%"" border=""0"" cellspacing=""0"" cellpadding=""0"">
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<td alt="ASP.net抓取网页指定内容——如何抓" />
