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how to extract all the hyperlinks on this webpage
Posted on 2012-12-29
on this web page http://www.scie-socialcareonline.org.uk/topics.asp?guid=64f07a36-85f2-4aac-a862-61b9116190ad if we click on expand all in the list of browse topics. How can we extract all the hyperlinks of the with titles like adoption, access to birth records etc
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The subsections are displayed by simply changing the display style from none to block, and the links exist in the source HTML (i.e. they are not pulled via AJAX). For this reason you should be able to just select all the links within that section.
If you're still using Html Agility Pack, then you could do:
If you're still using Html Agility Pack, then you could do:
doc.DocumentNode.SelectNodes("//span[@class='branch']//a[not(starts-with(@href, 'javascript:'))]")
Many thanks again kaufmed..
how can i exclude rss link in the xpath? Apart from that its working fine.
Also could you kindly tell me any xpath tool to extract the information from html DOM or what's the best approach to write xpath for html dom?
how can i exclude rss link in the xpath? Apart from that its working fine.
Also could you kindly tell me any xpath tool to extract the information from html DOM or what's the best approach to write xpath for html dom?
Active today
Oh, sorry. I meant to exclude that as well:
doc.DocumentNode.SelectNodes("//span[@class='branch']//a[not(starts-with(@href, 'javascript:')) and not(starts-with(@href, 'rss/'))]")
Brilliant kaufmed. Its working perfectly.
I use Altova to test any xpath on xml documents but wonder if there is a similar tool to test Html DOM.
I use Altova to test any xpath on xml documents but wonder if there is a similar tool to test Html DOM.
Active today
I don't know of any. HTML is becoming more in line with XML with new standards that are released. Most of the frameworks people use today to build HTML do so such that the HTML is well-formed (similar to XML). As such, you should be able to use Altova on any well-formed HTML since HTML is (technically) a subset of XML (even though HTML was around first). Unless you are dealing with someone who hand-code their web page, you should be OK using Altova.
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