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I'm trying to inset some of my own html directly after the end of a div. This div has other div inside of it.
Dim HtmlNode As HtmlNode = HtmlNode.CreateNode("<span class=""label"">Those were the friends</span>")
Dim FriendDiv = htmldoc.DocumentNode.SelectSingleNode("//div[@class='profile_friends']")
Dim NewHTML As HtmlNode = htmldoc.DocumentNode.InsertAfter(HtmlNode, FriendDiv)
Every time I run that code I get an exception Node "<div class="profile_topfriends"></div>" was not found in the collection
414
Similar to XmlNode's InsertAfter(), you need to call this method on the common parent of referenced node and to be inserted node. Try something like this :
Dim NewHTML As HtmlNode = FriendDiv.ParentNode.InsertAfter(HtmlNode, FriendDiv)
Worked fine for me. Here is a simple test I did in C# (translated to VB) :
Dim html = "<body><div></div></body>"
Dim doc As New HtmlDocument()
doc.LoadHtml(html)
Dim div = doc.DocumentNode.SelectSingleNode("//div")
Dim span = HtmlNode.CreateNode("<span class=""label"">Those were the friends</span>")
Dim newHtml = div.ParentNode.InsertAfter(span, div)
Console.WriteLine(XDocument.Parse(doc.DocumentNode.OuterHtml).ToString())
The <span> appears after <div> in console.
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