private void trangChủToolStripMenuItem_Click(object sender, EventArgs e)
{
GUI.Intro it = new Intro();
it.MdiParent = this;
it.WindowState = FormWindowState.Maximized;
it.Show();
}
private void frmMain_Load(object sender, EventArgs e)
{
timer1.Enabled = true;
GUI.Intro it = new Intro();
it.MdiParent = this;
it.WindowState = FormWindowState.Maximized;
it.Show();
//lblTen.Text = "Chào bạn: " +DTO.ConnectDatabase.NameLogin;
}