在C＃中动态添加XMl元素，节点，属性 [英] Adding XMl Element, node, attributes dynamically in C#

问题描述

我正在接受以下概念。我正在使用.Net 2.0 Framework。



我在指定路径中有XML文件。喜欢下面的结构。需要添加员工国家智慧。

Hi,

I am getting strucked in below concept. I am using .Net 2.0 Framework.

I have XML File in specified path. Like Below Structure. Need to add Employee Country Wise.

<?xml version="1.0" encoding="utf-8"?>
<EmployeeList xmlns="http://tempuri.org/format.xsd" key="lank">
  <Country id="India">
    <Emp Name="X1" address="Y1" id="Z1" />
	<Emp Name="X2" address="Y2" id="Z2" />
	<Emp Name="X3" address="Y3" id="Z3" />
  </Country> 
</EmployeeList>

如果国家印度存在，则添加记录在特定国家/地区，将其添加为新国家/地区

If Country India is Exists then add records under specific country else add it as new country.

<?xml version="1.0" encoding="utf-8"?>
<EmployeeList xmlns="http://tempuri.org/format.xsd" key="lank">
  <Country id="India">
     <Emp Name="X1" address="Y1" id="Z1" />
	<Emp Name="X2" address="Y2" id="Z2" />
	<Emp Name="X3" address="Y3" id="Z3" />
	<Emp Name="X4" address="Y3" id="Z4" /> <!-- Newly Added in existing Country-->
  </Country> 
</EmployeeList>

如果New Country Come那么输出需要像这样

If New Country Come then Output needs to be like this

<?xml version="1.0" encoding="utf-8"?>
<EmployeeList xmlns="http://tempuri.org/format.xsd" key="lank">
  <Country id="India">
     <Emp Name="X1" address="Y1" id="Z1" />
	<Emp Name="X2" address="Y2" id="Z2" />
	<Emp Name="X3" address="Y3" id="Z3" />	
  </Country> 
  <Country id="USA">
     <Emp Name="X4" address="Y3" id="Z4" />  <!-- Newly Added in seperate country-->
  </Country>  
</EmployeeList>

推荐答案

using System;
using System.Xml;

class Test
{
    static void Main()
    {
        XmlDocument doc = new XmlDocument();
        XmlElement root = doc.CreateElement("Country");
        XmlElement id = doc.CreateElement("Emp");
        id.SetAttribute("Name", "A");
        id.SetAttribute("Address", "Add1");
       root.AppendChild(id);
        doc.AppendChild(root);

        doc.Save("test.xml");
    }
}

如果国家/地区已经存在，则在crate元素中添加条件然后使用else创建新根像这样

And add condition in crate element if country is already exist then use else create new root like this

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