linq语法2

linq简单排序

        //创建实体类
        public class Programer
        {

            public String Name { get; set; }
            public String Language { get; set; }
            public String ID { get; set; }

        }
  Programer[] ps = new Programer[] 
            { 

            new Programer(){ Name="张?三y", Language="C#",ID="1"},

            new Programer(){ Name="李?四?", Language="C#",ID="3"},

            new Programer(){ Name="王?五?", Language="Java",ID="2"}

           };

            //ascending表示升序排列，descending表示降序排列
            var queryPs = from p in ps
                          orderby p.ID ascending
                          where p.Language == "C#"
                          select new
                          {
                              Name = p.Name,
                              Language = p.Language,
                              ID=p.ID
                          };
            //foreach 循环输出
            foreach (var p in queryPs)
            {
                Console.WriteLine(String.Format("Name:{0}\t\tLanguage:{1}\t\tID=:{2}", p.Name, p.Language,p.ID));
            }
            Console.ReadLine();