private void button1_Click(object sender, EventArgs e)
{
if (DAO.login(thisname, thispassword) == 2)
{
MessageBox.Show("不存在该用户");
}
else if (DAO.login(thisname, thispassword) == 3)
{
MessageBox.Show("用户名密码有误请重新输入！");
}
else if (DAO.login(thisname, thispassword) == 4)
{
MessageBox.Show("异常！");
}
else
{
MessageBox.Show("成功登陆！");
MainFrame1 m1 = new MainFrame1(thisname);
m1.Show();
this.Visible = false;
}
}
private void button4_Click(object sender, EventArgs e)
{
this.Close();
_mainform1.Show();
}