using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data; namespace Test2 { class Program { static void Main(string[] args) { //1.將DataTable寫入Xml List<Person> list = new List<Person> { new Person(){Id=1,Name="小明"}, new Person(){Id=2,Name="小華"} }; DataTable dt = new DataTable("MatrixInfo"); DataColumn dc1 = new DataColumn("ID"); DataColumn dc2 = new DataColumn("Name"); dt.Columns.Add(dc1); dt.Columns.Add(dc2); foreach(Person p in list){ DataRow dr = dt.NewRow(); dr["ID"] = p.Id; dr["Name"] = p.Name; dt.Rows.Add(dr); } System.IO.StringWriter writer = new System.IO.StringWriter(); dt.WriteXml(writer); string xmlstr= writer.ToString(); writer.Close(); Console.WriteLine(xmlstr); //2.將Xml讀入DataTable, 切記MatrixInfo,ID,Name. 即表名, 列名要一一對應 DataTable dtStep2 = new DataTable("MatrixInfo"); DataColumn dc1Step2 = new DataColumn("ID"); DataColumn dc2Step2 = new DataColumn("Name"); dtStep2.Columns.Add(dc1Step2); dtStep2.Columns.Add(dc2Step2); System.IO.StringReader reader = new System.IO.StringReader(xmlstr); dtStep2.ReadXml(reader); Console.WriteLine("測試轉換結果:"); foreach (DataRow drS2 in dtStep2.Rows) { Console.WriteLine(drS2[0]+"/t"+drS2[1]); } Console.ReadLine(); } } public class Person { public int Id { get; set; } public string Name { get; set; } } }

起初擔心, 無法轉換<>等特殊字元, 後來發現,

dt->xml <會自動轉成&lt;   ,    >會自動轉成&gt;   

xml->dt  &lt;->  '<'   ,    &gt;->  '>'

贊一個