C# Html Agility Pack : Remove 2 columns on a table - c#-4.0

Question

I am trying to remove 2 columns on a table which inside a div which has a attribute "data-group" with value "Revision". The problem is it is removing 2 columns on all the tables or not doing anything.
Below is the code:
string htmlDoc = #"
<div id='TestCo_1' class='view' data-routingURI='ViewRouter.aspx' data-view='TestCo_1' data-filters='' data-viewVersion='2' data-vmVersion='2.2.0.0'>
<div id='g1' class='group' data-group='Reddy,HEATHER+M'>
<div id='gh1' class='gh' style='margin-left:10px;'>
<img id='gti1' class='gti' src='Images/closed.png'/>
<span id='gt1' class='gt'>Reddy,HEATHER M</span>
<a id='ge1' class='groupExport'>
<img src='Images/excel.png' title='Excel export Reddy,HEATHER M' class='export'/>
</a>
</div>
<div id='gc1' class='gc'/>
<div id='g2' class='group' data-group='Reddy,HEATHER+M/Data+Check+Status'>
<div id='gh2' class='gh' style='margin-left:60px;'>
<img id='gti2' class='gti' src='Images/closed.png'/>
<span id='gt2' class='gt'>Data Check Status</span>
<a id='ge2' class='groupExport'>
<img src='Images/excel.png' title='Excel export Data Check Status' class='export'/>
</a>
</div>
<div id='gc2' class='gc'>
<table border='0' class='groupTable' style='margin-left:110px;color:black; background-color:White;'>
<thead>
<tr style='margin-left:60px;color:blue; background-color:White; '>
<th style='text-align:center;' width='50px'>RK ID</th>
<th width='80px'>Plan Year</th>
<th style='text-align:center;' width='80px'>Period</th>
<th style='text-align:center;' width='80px'>Plan Term Date</th>
<th width='300px'>Subscriber Name</th>
<th width='300px'>Plan Market</th>
<th width='300px'>TestCoTS Review Requested</th>
<th width='400px'>Status</th>
<th width='60px'>Region</th>
</tr>
</thead>
<tr class='dtl'>
<td style='text-align:center;' class='link' data-target='ae:311085;id:763;status:Data+Check+Status;'>311085</td>
<td>2013</td>
<td style='text-align:center;'>Year End</td>
<td style='text-align:center;'/>
<td>KEDRION BIOPHARMA INC</td>
<td/>
<td/>
<td style='font-weight:bold;'>TestCoTS Data Checks Review Requested</td>
<td style='text-align:center;'>Florida</td>
</tr>
</table>
</div>
</div>
<div id='g3' class='group' data-group='Reddy,HEATHER+M/ER+Funding+Status'>
<div id='gh3' class='gh' style='margin-left:60px;'>
<img id='gti3' class='gti' src='Images/closed.png'/>
<span id='gt3' class='gt'>ER Funding Status</span>
<a id='ge3' class='groupExport'>
<img src='Images/excel.png' title='Excel export ER Funding Status' class='export'/>
</a>
</div>
<div id='gc3' class='gc'>
<table border='0' class='groupTable' style='margin-left:110px;color:black; background-color:White;'>
<thead>
<tr style='margin-left:60px;color:blue; background-color:White; '>
<th style='text-align:center;' width='50px'>RK ID</th>
<th width='80px'>Plan Year</th>
<th style='text-align:center;' width='80px'>Period</th>
<th style='text-align:center;' width='80px'>Plan Term Date</th>
<th width='300px'>Subscriber Name</th>
<th width='300px'>Plan Market</th>
<th width='300px'>TestCoTS Review Requested</th>
<th width='400px'>Status</th>
<th width='60px'>Region</th>
</tr>
</thead>
<tr class='dtl'>
<td style='text-align:center;' class='link' data-target='ae:311077;id:377;status:ER+Funding+Status;'>311077</td>
<td>2013</td>
<td style='text-align:center;'>Year End</td>
<td style='text-align:center;'/>
<td>APPLE ROCK ADVERTISING AND PRO</td>
<td/>
<td/>
<td style='font-weight:bold;'>TestCoTS ER Funding Follow Up Requested</td>
<td style='text-align:center;'>Florida</td>
</tr>
<tr class='dtl'>
<td style='text-align:center;' class='link' data-target='ae:51212105;id:1506;status:ER+Funding+Status;'>51212105</td>
<td>2012</td>
<td style='text-align:center;'>Year End</td>
<td style='text-align:center;'/>
<td>WORD ACADEMIES, INC.</td>
<td/>
<td/>
<td style='font-weight:bold;'>TestCoTS ER Funding Follow Up Requested</td>
<td style='text-align:center;'>Florida</td>
</tr>
<tr class='dtl'>
<td style='text-align:center;' class='link' data-target='ae:51212105;id:390;status:ER+Funding+Status;'>51212105</td>
<td>2013</td>
<td style='text-align:center;'>Year End</td>
<td style='text-align:center;'/>
<td>WORD ACADEMIES, INC.</td>
<td/>
<td/>
<td style='font-weight:bold;'>TestCoTS ER Funding Follow Up Requested</td>
<td style='text-align:center;'>Florida</td>
</tr>
</table>
</div>
</div>
<div id='g4' class='group' data-group='Reddy,HEATHER+M/Match+Verification+Status'>
<div id='gh4' class='gh' style='margin-left:60px;'>
<img id='gti4' class='gti' src='Images/closed.png'/>
<span id='gt4' class='gt'>Match Verification Status</span>
<a id='ge4' class='groupExport'>
<img src='Images/excel.png' title='Excel export Match Verification Status' class='export'/>
</a>
</div>
<div id='gc4' class='gc'>
<table border='0' class='groupTable' style='margin-left:110px;color:black; background-color:White;'>
<thead>
<tr style='margin-left:60px;color:blue; background-color:White; '>
<th style='text-align:center;' width='50px'>RK ID</th>
<th width='80px'>Plan Year</th>
<th style='text-align:center;' width='80px'>Period</th>
<th style='text-align:center;' width='80px'>Plan Term Date</th>
<th width='300px'>Subscriber Name</th>
<th width='300px'>Plan Market</th>
<th width='300px'>TestCoTS Review Requested</th>
<th width='400px'>Status</th>
<th width='60px'>Region</th>
</tr>
</thead>
<tr class='dtl'>
<td style='text-align:center;' class='link' data-target='ae:311085;id:763;status:Match+Verification+Status;'>311085</td>
<td>2013</td>
<td style='text-align:center;'>Year End</td>
<td style='text-align:center;'/>
<td>KEDRION BIOPHARMA INC</td>
<td/>
<td/>
<td style='font-weight:bold;'>TestCoTS Match Verification Review Requested</td>
<td style='text-align:center;'>Florida</td>
</tr>
</table>
</div>
</div>
<div id='g5' class='group' data-group='Reddy,HEATHER+M/Plan+Contact+Status'>
<div id='gh5' class='gh' style='margin-left:60px;'>
<img id='gti5' class='gti' src='Images/closed.png'/>
<span id='gt5' class='gt'>Plan Contact Status</span>
<a id='ge5' class='groupExport'>
<img src='Images/excel.png' title='Excel export Plan Contact Status' class='export'/>
</a>
</div>
<div id='gc5' class='gc'>
<table border='0' class='groupTable' style='margin-left:110px;color:black; background-color:White;'>
<thead>
<tr style='margin-left:60px;color:blue; background-color:White; '>
<th style='text-align:center;' width='50px'>RK ID</th>
<th width='80px'>Plan Year</th>
<th style='text-align:center;' width='80px'>Period</th>
<th style='text-align:center;' width='80px'>Plan Term Date</th>
<th width='300px'>Subscriber Name</th>
<th width='300px'>Plan Market</th>
<th width='300px'>TestCoTS Review Requested</th>
<th width='400px'>Status</th>
<th width='60px'>Region</th>
</tr>
</thead>
<tr class='dtl'>
<td style='text-align:center;' class='link' data-target='ae:311026;id:0;status:Plan+Contact+Status;'>311026</td>
<td/>
<td style='text-align:center;'/>
<td style='text-align:center;'/>
<td>INSTITUTE OF FINANCIAL OPERATI</td>
<td/>
<td/>
<td style='font-weight:bold;'>TestCoTS Contacts Undeliverable</td>
<td style='text-align:center;'>Florida</td>
</tr>
<tr class='dtl'>
<td style='text-align:center;' class='link' data-target='ae:311036;id:0;status:Plan+Contact+Status;'>311036</td>
<td/>
<td style='text-align:center;'/>
<td style='text-align:center;'/>
<td>VOTENET SOLUTIONS, INC</td>
<td/>
<td/>
<td style='font-weight:bold;'>TestCoTS Contacts Undeliverable</td>
<td style='text-align:center;'>Florida</td>
</tr>
</table>
</div>
</div>
<div id='g6' class='group' data-group='Reddy,HEATHER+M/Revision+Status'>
<div id='gh6' class='gh' style='margin-left:60px;'>
<img id='gti6' class='gti' src='Images/closed.png'/>
<span id='gt6' class='gt'>Revision Status</span>
<a id='ge6' class='groupExport'>
<img src='Images/excel.png' title='Excel export Revision Status' class='export'/>
</a>
</div>
<div id='gc6' class='gc'>
<table border='0' class='groupTable' style='margin-left:110px;color:black; background-color:White;'>
<thead>
<tr style='margin-left:60px;color:blue; background-color:White; '>
<th style='text-align:center;' width='50px'>RK ID</th>
<th width='80px'>Plan Year</th>
<th style='text-align:center;' width='80px'>Period</th>
<th style='text-align:center;' width='80px'>Plan Term Date</th>
<th width='300px'>Subscriber Name</th>
<th width='300px'>Plan Market</th>
<th width='300px'>TestCoTS Review Requested</th>
<th width='400px'>Status</th>
<th width='60px'>Region</th>
</tr>
</thead>
<tr class='dtl'>
<td style='text-align:center;' class='link' data-target='ae:51212105;id:779;status:Revision+Status;'>51212105</td>
<td>2013</td>
<td style='text-align:center;'>Year End</td>
<td style='text-align:center;'/>
<td>WORD ACADEMIES, INC.</td>
<td/>
<td/>
<td style='font-weight:bold;'>TestCoTS Additional Data Requested</td>
<td style='text-align:center;'>Florida</td>
</tr>
</table>
</div>
</div>
<div id='g7' class='group' data-group='Reddy,HEATHER+M/Testing+Status'>
<div id='gh7' class='gh' style='margin-left:60px;'>
<img id='gti7' class='gti' src='Images/closed.png'/>
<span id='gt7' class='gt'>Testing Status</span>
<a id='ge7' class='groupExport'>
<img src='Images/excel.png' title='Excel export Testing Status' class='export'/>
</a>
</div>
<div id='gc7' class='gc'>
<table border='0' class='groupTable' style='margin-left:110px;color:black; background-color:White;'>
<thead>
<tr style='margin-left:60px;color:blue; background-color:White; '>
<th style='text-align:center;' width='50px'>RK ID</th>
<th width='80px'>Plan Year</th>
<th style='text-align:center;' width='80px'>Period</th>
<th style='text-align:center;' width='80px'>Plan Term Date</th>
<th width='300px'>Subscriber Name</th>
<th width='300px'>Plan Market</th>
<th width='300px'>TestCoTS Review Requested</th>
<th width='400px'>Status</th>
<th width='60px'>Region</th>
</tr>
</thead>
<tr class='dtl'>
<td style='text-align:center;' class='link' data-target='ae:51212105;id:779;status:Testing+Status;'>51212105</td>
<td>2013</td>
<td style='text-align:center;'>Year End</td>
<td style='text-align:center;'/>
<td>WORD ACADEMIES, INC.</td>
<td/>
<td/>
<td style='font-weight:bold;'>TestCoTS Testing Review Requested - Failed</td>
<td style='text-align:center;'>Florida</td>
</tr>
<tr class='dtl'>
<td style='text-align:center;' class='link' data-target='ae:311083;id:759;status:Testing+Status;'>311083</td>
<td>2013</td>
<td style='text-align:center;'>Year End</td>
<td style='text-align:center;'/>
<td>REDI-GROUP NORTH AMERICA, LLC</td>
<td/>
<td/>
<td style='font-weight:bold;'>TestCoTS Testing Review Requested - Failed</td>
<td style='text-align:center;'>Florida</td>
</tr>
</table>
</div>
</div>
</div>
</div>";
HtmlDocument myhtmlDoc = new HtmlDocument();
myhtmlDoc.LoadHtml(htmlDoc);
var revNodes = myhtmlDoc.DocumentNode
.Descendants("div")
.Where(x => x.Attributes["data-group"] != null && x.Attributes["data-group"].Value.Contains("Revision") == true)
.ToList<HtmlNode>();
foreach (HtmlNode node in myhtmlDoc.DocumentNode.Descendants("div"))
{
foreach (HtmlNode revNode in revNodes)
{
if (node == revNode)
{
var test = node.SelectNodes("//div[2]//table//tr");
//foreach (HtmlNode row in test.Nodes)
foreach (HtmlNode row in node.SelectNodes("//div//div[2]//table//tr"))
{
if (row.SelectSingleNode("td[1]") != null)
row.RemoveChild(row.SelectSingleNode("td[1]"));
if (row.SelectSingleNode("td[2]") != null)
row.RemoveChild(row.SelectSingleNode("td[2]"));
if (row.SelectSingleNode("th[1]") != null)
row.RemoveChild(row.SelectSingleNode("th[1]"));
if (row.SelectSingleNode("th[2]") != null)
row.RemoveChild(row.SelectSingleNode("th[2]"));
// row.RemoveChild(row.SelectSingleNode("td[8]"));
}
}
}
}
myhtmlDoc.Save(#"D:\REsult.html")

Answer 1

Assuming you have a context node and you want to select a child div or table use the path div respectively div/table. If you start your path with //div respectively //div/table your selection starts down from the root node of the context node, that is, it searches the whole document. So make sure you use a relative path, if you look for descendants then use .//div or .//div/table but not //div/table as that way you search the whole document of the context node and not the subtree of the context node.