write and replace value in xml file vb .net

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Hello,
I have inserted in my project an xml file and want to have it's value, an integer, to be updated by 1, if the value is 1 to become 2 etc. how to read and write to xml file?

XML

<?xml version="1.0" encoding="utf-8" ?> 
<Person>
		<id>1</id>
  </Person>

the xml structure

VB

a=a+1

the vb update value
I don't want to keep a record just want to delete old value in xml and replace with new value

Posted 4-Aug-14 22:09pm

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BulletVictim 5-Aug-14 4:14am

Have you taken a look here

http://bytes.com/topic/visual-basic-net/answers/643043-change-existing-element-xml-file

http://bytes.com/topic/visual-basic-net/answers/374533-modify-value-into-xml-file

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Bernhard Hiller · Answer 1 · 2014-08-04T23:50:00

You need a different concept.
The XML file is only a serialized version of an object, in your case an object of type Person with the id-Property of 1.
Now you need that Person class, with a function to create a Person object from an XML file, and a function to write its data back to an XML file.