class Program { static void Main(string[] args) { GetListTest(); } private static void GetListTest() { DBHelper dbHelper = DBHelper.GetInstance(); DataSet ds = dbHelper.GetSqlDataSet("SELECT name,age FROM tbl_test",null); List<Person> listPerson = new List<Person>(); for (int i = 0; i < ds.Tables[0].Rows.Count; i++) { Person model = new Person(); model.Name = ds.Tables[0].Rows[i]["name"].ToString(); model.Age = ds.Tables[0].Rows[i]["age"].ToString(); listPerson.Add(model); } //年龄排序 Console.WriteLine("----年龄排序----"); listPerson.Sort(new SortAge()); for (int i = 0; i < listPerson.Count; i++) { Console.WriteLine(listPerson[i].Name + ":" + listPerson[i].Age); } Console.WriteLine(""); //姓名排序 Console.WriteLine("----姓名排序----"); listPerson.Sort(new SortName()); for (int i = 0; i < listPerson.Count; i++) { Console.WriteLine(listPerson[i].Name + ":" + listPerson[i].Age); } } } /// <summary> /// 排序实体 /// </summary> class Person { private string name; /// <summary> /// 姓名 /// </summary> public string Name { get { return name; } set { name = value; } } private string age; /// <summary> /// 年龄 /// </summary> public string Age { get { return age; } set { age = value; } } } /// <summary> /// 年龄排序 /// </summary> class SortAge :IComparer<Person> { public int Compare(Person x, Person y) { return x.Age.CompareTo(y.Age); } } /// <summary> /// 姓名排序 /// </summary> class SortName : IComparer<Person> { public int Compare(Person x, Person y) { return x.Name.CompareTo(y.Name); } }