一运行没有 输出窗口了  我只是打印出来
源代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;namespace MySchool
{
    public partial class TeacherListForm : Form
    {
        private DataSet dataSet = new DataSet();
        private SqlDataAdapter dataAdapter;
        public TeacherListForm()
        {
            InitializeComponent();
        }        private void TeacherListForm_Load(object sender, EventArgs e)
        {
            string sql = "SELECT TeacherId,LoginId,TeacherName,Sex,Birthday FROM Teacher";
            // 创建 DataAdapter 对象
            dataAdapter = new SqlDataAdapter(sql,DBHelper.connection);
            // 填充数据
            dataAdapter.Fill(dataSet,"Teacher");            // 打印数据集中 Teacher 表
            foreach(DataRow row in dataSet.Tables[0].Rows)
            {
                Console.WriteLine("{0}\t{1}\t{2}",row["TeacherId"],row["TeacherName"],row["Sex"]);
            }
        }
    }
}