ADO.NET -动态遍历SqlDataReader列，并将这些值分配给C#对象

using System;
using System.Collections.Generic;
using System.Data.SqlClient;

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

public class Program
{
    public static void Main()
    {
        string connectionString = "your_connection_string";
        string query = "SELECT Id, Name, Age FROM Persons";

        List<Person> persons = new List<Person>();

        using (SqlConnection connection = new SqlConnection(connectionString))
        {
            SqlCommand command = new SqlCommand(query, connection);
            connection.Open();

            SqlDataReader reader = command.ExecuteReader();

            while (reader.Read())
            {
                Person person = new Person();
                person.Id = reader.GetInt32(0);
                person.Name = reader.GetString(1);
                person.Age = reader.GetInt32(2);

                persons.Add(person);
            }

            reader.Close();
        }

        foreach (Person person in persons)
        {
            Console.WriteLine($"Id: {person.Id}, Name: {person.Name}, Age: {person.Age}");
        }
    }
}