C#中reader方法的使用

using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace 练习
{
    class Program
    {
        static void Main(string[] args)
        {
            string sql= "select * from 图书属性表";
            string connect = "server=.;database=Library;integrated security=SSPI";
            SqlConnection conn = new SqlConnection(connect);
            conn.Open();
            SqlCommand sc = new SqlCommand(sql, conn);
            SqlDataReader reader = sc.ExecuteReader();
           // SqlDataAdapter sd = sc.ExecuteReader();
           while(reader.Read())
            {
                int tsbm = reader.GetInt32(0);
                string sm = reader.GetString(2);
                Console.WriteLine("{0}\t{1}\t\n",tsbm,sm);
            }
            Console.ReadKey();



        }
    }
}