In VB.Net, use HtmlAgilityPack to check whether an element contains a certain attribute.

html-agility-pack html-parsing vb.net

Question

I'm using HtmlAgilityPack to parse HTML.

I want to check if an element has a specific attribute.

I want to check whether an <a> tag has the href attribute.

Dim doc As HtmlDocument = New HtmlDocument()

doc.Load(New StringReader(content))

Dim root As HtmlNode = doc.DocumentNode
Dim anchorTags As New List(Of String)

For Each link As HtmlNode In root.SelectNodes("//a")
    If link.HasAttributes("href") Then doSomething() 'this doesn't work because hasAttributes only checks whether an element has attributes or not
Next
1
3
12/25/2010 10:55:57 PM

Accepted Answer

Like this:

If link.Attributes("href") IsNot Nothing Then
4
4/8/2015 2:50:33 PM


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