private void btnDangKy_Click(object sender, EventArgs e)
{
DangKy dk = new DangKy();
this.Hide();
dk.Show();
}
private void bt_dangki_Click(object sender, EventArgs e)
{
DangKy dk = new DangKy();
//mở ra trang đăng ký
//Đóng lại
this.Hide();
dk.ShowDialog();
}
private void mnstDangKy_Click(object sender, EventArgs e)
{
DangKy dk = new DangKy();
dk.Show();
}