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Reading XML
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Stevo View Drop Down
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Joined: 11 November 2002
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Points: 37 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Stevo Quote  Post ReplyReply Direct Link To This Post Topic: Reading XML
    Posted: 13 April 2003 at 8:40am

Hi there!

Just wondering if anyone can help me out here... I am trying to read XML using an ASP.NET page.  Basically, the XML file stores a whole heap of values, and we want to read them in to allow for easy updates.  Trouble is, i am having trouble finding much info on reading xml into variables.  Most examples use datagrid, and from what i've seen of that, it looks pretty limited - more for just outputting to the screen.

If anyone can shed any light, or point me to a good source of info on the net, that would be really great and muchas appreciated.

Thanks heaps,
Steve
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michael View Drop Down
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Points: 4670 		Post Options Post Options   Thanks (0) Thanks(0)   Quote michael Quote  Post ReplyReply Direct Link To This Post Posted: 13 April 2003 at 9:32am

Simple. Lets say you got an xml file as follows:
<?xml version="1.0" encoding="utf-8" ?>
<myroot>
<myvalue1 value="Whatever" />
<myvalue2 value="not sure" />
</myroot>

You can read the value of myvalue1 into a variable as follows:

Dim reader As XmlTextReader = New XmlTextReader("c:\xmlfile.xml")
        While reader.Read()
            If XmlNodeType.Element Then
                If reader.Name = "myvalue1" Then
                    reader.MoveToAttribute("value")
                    myvar = reader.Value                'Make sure to declare
                    reader.Close()
                End If
            End If
        End While
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Stevo View Drop Down
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Points: 37 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Stevo Quote  Post ReplyReply Direct Link To This Post Posted: 16 April 2003 at 2:45am

Thanks Michael,

That looks great.  I haven't had a chance to try it yet, as i am doing another sub-project right at the moment, but i will give it a go as soon as i can and let you know.  Hopefully, i will be able to get my brain around it for a multiple tiered XML file.

Many thanks,
Steve
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