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Find nodes in HtmlNodeCollection

Posted on 2013-01-04
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Last Modified: 2013-01-04
Hello EE,

I have in my vb.net project HtmlUtilityPack import.

Im trying to find a Div and the result I insert in a HtmlNodeCollection like this :

        Dim nodes As HtmlNodeCollection = doc.DocumentNode.SelectNodes("//div[@id='myID']")

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but inside this DIV there are many <a href='www.something.com' title='hello'></a>

I want all the title attribute of al of them. but only in that specific div..

im not sure where to go with this... should be soemthing like :

Dim list as new List(of string)
For Each node As HtmlNode In nodes
  list.add(node.SelectNode("a").GetAttribute('title"))
Next

can you help ?
thanks
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Question by:PhilippeRenaud
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4 Comments
 
LVL 75

Accepted Solution

by:
käµfm³d   👽 earned 2000 total points
ID: 38745344
Do you mean HTML Agility Pack? If so, you can set up your XPath to select that attribute for you.

e.g.

Dim nodes As HtmlNodeCollection = doc.DocumentNode.SelectNodes("//div[@id='myID']//a/@title")

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Then you could just iterate over that result set:

Dim list as new List(of string)

For Each node As HtmlNode In nodes
  list.add(node.InnerText)
Next

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0
 
LVL 1

Author Comment

by:PhilippeRenaud
ID: 38745736
yes sorry agility.

but it cant be done on 2 lines? i need to do it on doc.DocumentNode?

i cannot do it on the nodes variable to reach @a?

because otherwise i always need to re-iterate on doc variable and sometimes there is tons of source code lines, but still maybe its fast also.. i dont know
0
 
LVL 75

Expert Comment

by:käµfm³d 👽
ID: 38745819
I'm probably not understanding what you are asking, but if you would like to stick with the logic you currently have, then it should be along the lines of:

For Each node As HtmlNode In nodes
  list.add(node.SelectSingleNode("a").Attributes("title").Value)
Next

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0
 
LVL 1

Author Closing Comment

by:PhilippeRenaud
ID: 38746076
Thank you
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