c# 使用数据生成xml文件

Create XML document from object list

 using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Data.Linq;

using System.Reflection;

using System.Xml.Linq;

class Employee {

    int _id;

    int _idRole;

    string _lastName;

    string _firstName;

    public int ID {

        get { return _id; }

        set { _id = value; }

    }

    public int IDRole {

        get { return _idRole; }

        set { _idRole = value; }

    }

    public string LastName {

        get { return _lastName; }

        set { _lastName = value; }

    }

    public string FirstName {

        get { return _firstName; }

        set { _firstName = value; }

    }

}

class Program {

    static void Main(string[] args) {

        List<Employee> people = new List<Employee> {

               new Employee { ID = 1, IDRole = 1, LastName = "A", FirstName = "B"},

               new Employee { ID = 2, IDRole = 2, LastName = "G", FirstName = "T"}

            };

        XElement xml = new XElement("people",

                                from p in people

                                select new XElement("person",

                                            new XElement("id", p.ID),

                                            new XElement("firstname", p.FirstName),

                                            new XElement("lastname", p.LastName),

                                            new XElement("idrole", p.IDRole)));

        Console.WriteLine(xml);

    }

根据数据生成xml文档

private void btnSave_Click(object sender, RoutedEventArgs e)

  {

      this.SelectedPracticeInfo = new PracticeInfo();

      this.SelectedPracticeInfo.LessonDescription = "•Excuse me!   对?不?起e.这a是?常￡用?于ú表í示?道à歉?";

      this.SelectedPracticeInfo.LessonID = "12";

      this.SelectedPracticeInfo.LessonName = "1  Excuse me!   对?不?起e！?";

      this.SelectedPracticeInfo.ListExercise = new List<ExerciseInfo>();

      ExerciseInfo info = new ExerciseInfo();

      info.Title = "七?、￠根ù据Y中D文?补1全?句?子ó";

      info.Type = "Translate";

      info.ListQuestionAnswer = new List<QuestionsAnswersInfo>();

      QuestionsAnswersInfo infoQA = new QuestionsAnswersInfo();

      infoQA.Alternative = "A:这a是?你?的?上?衣?吗e？?";

      infoQA.Answer = "Is this your coat?";

      infoQA.Question2 = "Is _ your _?";

      info.ListQuestionAnswer.Add(infoQA);

      this.SelectedPracticeInfo.ListExercise.Add(info);

      XElement xml = new XElement("Practice", new XElement("LessonID", this.SelectedPracticeInfo.LessonID),

           new XElement("LessonDescription", this.SelectedPracticeInfo.LessonDescription),

           new XElement("LessonName", this.SelectedPracticeInfo.LessonName),

           new XElement("Exercises",

               from p in this.SelectedPracticeInfo.ListExercise

                select new XElement("Exercise",

                     new XElement("Type",p.Type),

                     new XElement("Title",p.Title),

                       new XElement("QuestionsAnswers",

                            from item in p.ListQuestionAnswer

                             select new XElement("QuestionAnswer",

                                 new XElement("Alternative",item.Alternative),

                                 new XElement("Answer",item.Answer),

                                 new XElement("Question",item.Question),

                                 new XElement("Question2",item.Question2)

                                 )

                                 )

                                 )

               )

           );

      MessageBox.Show(xml.ToString());

       }

类

public class PracticeInfo

   {

       public string LessonID { get; set; }

       public string LessonDescription { get; set; }

       public string LessonName { get; set; }

       public List<ExerciseInfo> ListExercise { get; set; }

   }

   public class ExerciseInfo

   {

       public string Type { get; set; }

       public string Title { get; set; }

       public List<QuestionsAnswersInfo> ListQuestionAnswer { get; set; }

   }

   public class QuestionsAnswersInfo

   {

       public string Question { get; set; }

       public string Answer { get; set; }

       /// <summary>

       ///         /// </summary>

       public string Alternative { get; set; }

       public string Question2 { get; set; }

       /// <summary>

       ///  

       /// </summary>

       public string Tape { get; set; }

   }

生成的xml文件

<Practice>

    <LessonID>12</LessonID>

    <LessonDescription>•Excuse me!   对?不?起e.这a是?常￡用?于ú表í示?道à歉?</LessonDescription>

    <LessonName>1  Excuse me!   对?不?起e！?</LessonName>

    <Exercises>

        <Exercise>

            <Type>Translate</Type>

            <Title>七?、￠根ù据Y中D文?补1全?句?子ó</Title>

            <QuestionsAnswers>

                <QuestionAnswer>

                    <Alternative>A:这a是?你?的?上?衣?吗e？?</Alternative>

                    <Answer>Is this your coat?</Answer>

                    <Question />

                    <Question2>Is _ your _?</Question2>

                </QuestionAnswer>

            </QuestionsAnswers>

        </Exercise>

    </Exercises>

</Practice>