在xml文件vb .net中写入和替换值 [英] write and replace value in xml file vb .net

问题描述

您好，

我已经在我的项目中插入了一个xml文件，并希望将其值，一个整数，更新为1，如果值为1则变为2等等。读取和写入xml文件？

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

xml结构

the xml structure

a=a+1

vb更新值

我不想保留记录只想删除xml中的旧值并替换为新值

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

推荐答案

您需要一个不同的概念。

XML文件只是一个对象的序列化版本，在你的情况下是一个对象类型为Person的对象，其属性为1.

现在你需要那个Person类，具有从XML文件创建Person对象的函数，以及将其数据写回XML文件的函数。

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.

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