create table student (  id     int  auto_increment  primary key,  name char(10) not null,  sex    char(10) not null,  age   char(10) not null,   )

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Data; using System.Data.SqlClient; namespace ConsoleApplication1 {     class Program     {         static void Main(string[] args)         {             string connSting;             connSting = "server=localhost;database=student;Integrated Security=True ";             SqlConnection sConn = new SqlConnection(connSting);             try             {                 sConn.Open();             }             catch (Exception ex)             {                 Console.WriteLine("链接错误:" + ex.Message);             }             string sqlMessage=null;             sqlMessage = "select * from student";             SqlCommand sCmd = new SqlCommand(sqlMessage, sConn);             SqlDataReader sdr = null;             try             {                 sdr = sCmd.ExecuteReader();                 Console.WriteLine(" 姓名   性别   年龄 ");                 while (sdr.Read())                 {                     Console.WriteLine(sdr["name"] +""+ sdr["sex"]+"" + sdr["age"]);                 }                 sConn.Close();             }             catch (Exception ex)             {                 Console.WriteLine(ex.Message);             }             Console.ReadLine();         }     } }