How to parse and write xml

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XML

I have the following xml file. What I need to do is modify the values in two places within the Settings tag. I need to change the
<value>1
to <value>3. The second Settings tag the <value>7
to <value>9. Can someone help? I was successful making the change on the first
<settings>
<key>LobbyID
<value>1


but not the second. Here is my code.


Dim MyXML As New XmlDocument()

MyXML.Load(PathToFile)

Dim MyXMLNode As XmlNode = MyXML.SelectSingleNode("/NewDataSet/Settings")

If MyXMLNode IsNot Nothing Then

MyXMLNode.ChildNodes(0).InnerText = "LobbyID"
MyXMLNode.ChildNodes(1).InnerText = "1"


Else

End If ' Save the Xml.

MyXML.Save(PathToDIR)



<newdataset>
<settings>
<key>LobbyID
<value>1

<settings>
<key>WindowID
<value>7



Kevin xiong
kvnxiong@yahoo.com