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Creating a file and writing to it

npl77
npl77 asked
on
Medium Priority
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Last Modified: 2010-04-23
Whats the best way to create a file named "stuff.xml" then write these 2 lines:
<?xml version=""1.0""?>
<v></v>

then append these lines
<x></x>
<y></>

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Mike TomlinsonHigh School Computer Science, Computer Applications, Digital Design, and Mathematics Teacher
CERTIFIED EXPERT
Top Expert 2009

Commented:
"best way" is subjective...

What version VB?
Mike TomlinsonHigh School Computer Science, Computer Applications, Digital Design, and Mathematics Teacher
CERTIFIED EXPERT
Top Expert 2009

Commented:
VB.Net 2005:

        My.Computer.FileSystem.WriteAllText("c:\stuff.xml", "<?xml version=" & Chr(34) & Chr(34) & "1.0" & Chr(34) & Chr(34) & "?>" & vbCrLf & "<v></v>", False)
        My.Computer.FileSystem.WriteAllText("c:\stuff.xml", "<x></x>" & vbCrLf & "<y></>", True)
Mike TomlinsonHigh School Computer Science, Computer Applications, Digital Design, and Mathematics Teacher
CERTIFIED EXPERT
Top Expert 2009

Commented:
That probably should be:

        My.Computer.FileSystem.WriteAllText("c:\stuff.xml", "<?xml version=" & Chr(34) & "1.0" & Chr(34) & "?>" & vbCrLf & "<v></v>" & vbCrLf, False)
        My.Computer.FileSystem.WriteAllText("c:\stuff.xml", "<x></x>" & vbCrLf & "<y></y>" & vbCrLf, True)
Mike TomlinsonHigh School Computer Science, Computer Applications, Digital Design, and Mathematics Teacher
CERTIFIED EXPERT
Top Expert 2009

Commented:
For earlier .Net versions:

        Dim sw As New System.IO.StreamWriter("c:\stuff.xml", False)
        sw.Write("<?xml version=" & Chr(34) & "1.0" & Chr(34) & "?>" & vbCrLf & "<v></v>" & vbCrLf)
        sw.Close()

        Dim sw2 = New System.IO.StreamWriter("c:\stuff.xml", True)
        sw2.Write("<x></x>" & vbCrLf & "<y></y>" & vbCrLf)
        sw2.Close()

Author

Commented:
i must be able to append on a button click append the( <x>, <y<>). I was using a streamwriter but it doesnt work

 xmlWriter = New StreamWriter(xmlPath)
 xmlWriter.Write("<?xml version=""1.0""?>" & vbCrLf )

then on the button click:

xmlWriter.Write(xml)

Author

Commented:
using vs2005
High School Computer Science, Computer Applications, Digital Design, and Mathematics Teacher
CERTIFIED EXPERT
Top Expert 2009
Commented:
From a couple comments ago:

    My.Computer.FileSystem.WriteAllText("c:\stuff.xml", "<x></x>" & vbCrLf & "<y></y>" & vbCrLf, True)

The last parameter specifices whether we should append or not.  False makes it overwrite the file.  True makes it append to the end of the file.

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