Cannot Write XML Declaration. WriteStartDocument Method Has Already Written It

Sep 10, 2009

I want to pass an XmlDocument as a parameter to my webservice method. After I have loaded an XML file from a path, when I try to send the XmlDocument as a parameter by webservice method, I come across this error. What can be the reason? I use StreamWriter and I close it. I don't use XmlWriter.The development environment is VS 2008

Error Message:

Cannot write XML declaration. WriteStartDocument method has already written it.

Edit (from comments):I can't post all the code because it has more than 1000 lines. Also when I load Xmldocument in web, I can't use this method without problem. Maybe Webservice causes a problem?

Dim xml As New XmlDocument
xml.Load("My Documents" & xmlfile & ".xml")
myTransfer.Save_XML(xml, 1)

[code]....

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