C# Linq 查询结果的索引

    class Program
    {
        static void Main(string[] args)
        {
            List<Person> personlist = new List<Person>();
            personlist.Add(new Person() { Name = "刘备", Sex = "男", Age =18});
            personlist.Add(new Person() { Name = "曹操", Sex = "男", Age = 19 });
            personlist.Add(new Person() { Name = "关羽", Sex = "男", Age = 18 });
            personlist.Add(new Person() { Name = "钟受", Sex = "男", Age = 12 });
            personlist.Add(new Person() { Name = "孙权", Sex = "男", Age = 32 });
            var data = personlist.Select((person, index) => new { index, person }).Where(a => a.person.Name == "钟受").OrderBy(b => b.person).FirstOrDefault();

            Console.WriteLine("查询的名称:" + data.person.Name + "按姓名升序排序的索引ID为:" + data.index);
        }
    }

    public class Person
    {
        public string Name { set; get; }
        public string Sex { set; get; }
        public int Age { set; get; }
    }

 

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