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Asked: 2026-05-25T13:21:17+00:00

Why does System.Xml.XmlDocument.LoadXml method throw System.Net.WebException ? This is really mind boggling crazy, if

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Why does System.Xml.XmlDocument.LoadXml method throw System.Net.WebException ?

This is really mind boggling crazy, if MSDN was right, LoadXml should at most give me a System.Xml.XmlException.

Yet I have weird exceptions like:

The underlying connection was closed: The connection was closed unexpectedly.

Dim document As New XmlDocument
document.LoadXml("<!DOCTYPE html PUBLIC ""-//W3C//DTD XHTML 1.0 Transitional//EN"" ""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd""><x></x>")
MsgBox(document.LastChild.Name)

What on earth is causing the exception ?

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1 Answer

  1. Editorial Team

    Edwin gave you the solution, and I’m giving you the reason for the connection drop:

    http://www.w3.org/blog/systeam/2008/02/08/w3c_s_excessive_dtd_traffic/

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