?using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace 學籍管理系統
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        int i = 1;
        private void timer1_Tick(object sender, EventArgs e)
        {
            if (i == 2)
            {
                this.Hide() ;
                new login().Show();
            }
            i++;
        }
    }
}