C#读取XML文件

--硬盘Xml文件存储路径:d:\xmlFile\Testxml.xml

xml文件内容:

<Root>
  <Tab>
    <ID>245575913</ID>
    <name>Tab</name>
    <Tabs>
      <Tab2>
        <ID>1</ID>
        <TabID>245575913</TabID>
        <Name2>ID</Name2>
      </Tab2>
      <Tab2>
        <ID>2</ID>
        <TabID>245575913</TabID>
        <Name2>name</Name2>
      </Tab2>
    </Tabs>
  </Tab>
  <Tab>
    <ID>277576027</ID>
    <name>Tab2</name>
    <Tabs>
      <Tab2>
        <ID>3</ID>
        <TabID>277576027</TabID>
        <Name2>ID</Name2>
      </Tab2>
      <Tab2>
        <ID>4</ID>
        <TabID>277576027</TabID>
        <Name2>Name2</Name2>
      </Tab2>
      <Tab2>
        <ID>5</ID>
        <TabID>277576027</TabID>
        <Name2>TabID</Name2>
      </Tab2>
    </Tabs>
  </Tab>
</Root>

----打开Visual Studio—创建项目—选择【控制台应用程序】

#region Using Directives
using System;
using System.Data;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
#endregion

namespace TestReadingxml
{
    class Program
    {
        static void Main(string[] args)
        {
            DataSet thisDataSet = new DataSet();
            thisDataSet.ReadXml(@"d:\xmlFile\Testxml.xml");
            DataRelation custRel = thisDataSet.Relations.Add("Cust",thisDataSet.Tables[0].Columns["ID"],thisDataSet.Tables[2].Columns["TabID"]);
            foreach (DataRow custRow in thisDataSet.Tables["Tab"].Rows)
            {
                Console.WriteLine("ID:{0} \t Name:{1}",custRow["ID"],custRow["Name"]);
                foreach (DataRow detailRow in custRow.GetChildRows(custRel))
                {
                    Console.WriteLine("\t ID:{0}\tTabID:{1}\t Name2:{2};\t{3}",detailRow["ID"],detailRow["TabID"],detailRow[2],detailRow.GetParentRow(custRel)["ID"]);                   
                }
            }
            Console.WriteLine("Table created by ChildTable:{0}",thisDataSet.Tables[2].TableName);
            Console.WriteLine("Table created by ReadXml is called {0}",thisDataSet.Tables[0].TableName);
            Console.Write("Program finished,press Enter/Return to continue:");
            Console.ReadKey();
        }
    }
}

--按F5运行结果：