/*其中server表示服务器，“.”表示当地服务器，DataBase表示数据库，uid表示连接的用户名，pwd比表示密码*/
        string strDataBase = "Server=.;DataBase=Library;Uid=sa;pwd=123456;";
        SqlConnection conn = new SqlConnection(strDataBase);
        string sqlStatement = "select * from Reader";
        SqlCommand sqlcmd = new SqlCommand(sqlStatement, conn);            //设置参数
        conn.Open();
        SqlDataReader sdr = sqlcmd.ExecuteReader(); //执行SQL语句
        int cols = sdr.FieldCount;   //获取结果行中的列数
        object[] values = new object[cols];
        while (sdr.Read())
        {
              sdr.GetValues(values);       //values保存一行数据
              for (int i = 0; i < values.Length; i++)
              {
                 Console.Write(values[i].ToString()+" ");
              }
              Console.WriteLine();
        }
        sdr.Close();
        conn.Close();