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问题:

How can I loop through table and row that have an attribute id or name to get inner text in deep down in each td cell? I work on asp.net, c#, and the newest html agility package. Please guide. Thank you.

An html file have several tables. One of them has an attribute id=main-part. In that identified table, there are many rows. Some of those rows have same attribute name=display. In those named rows, there are many columns which I have to extract text from. Something like this:

<body>
<table>
...
</table>
<table>
...
</table>

<table id="main-part">
   <tr>
     <td></td>
     ...
   </tr>
   <tr>
     <td></td>
     ...
   </tr>
   <tr name="display">
     <td>Jan</td>
     <td>Feb</td>
     <td>Mar</td>
     ...
   </tr>
      <tr name="display">
     <td>Apr</td>
     <td>May</td>
     <td>June</td>
     ...
   </tr>
      <tr name="display">
     <td>Jul</td>
     <td>Aug</td>
     <td>Sep</td>
     ...
   </tr>
   <tr>
     <td></td>
     ...
   </tr>
   <tr name="display">
     <td>Oct</td>
     <td>Nov</td>
     <td>Dec</td>
     ...
   </tr>
   <tr>
     <td></td>
     ...
   </tr>
</table>
<table>
...
</table>
</body>

回答1:

You need to select these nodes using xpath:

foreach(HtmlNode cell in doc.DocumentElement.SelectNodes("//tr[@name='display']/td")
{
   // get cell data
}

回答2:

It worked! Thank you very much Oded.

    HtmlDocument doc = new HtmlDocument();
         doc.Load(@"C:/samplefolder/sample.htm"); 
foreach(HtmlNode cell in doc.DocumentNode.SelectNodes("//tr[@name='display']/td")) 
{
         string test = cell.InnerText;
         Response.Write(test); 
}

It showed result like JanFebMarAprMayJuneJulAugSepOctNovDec. How can I sort them out, separate by a space or a tab? Thank you.