private void quảnLýPhòngToolStripMenuItem_Click(object sender, EventArgs e)
{
FrmPhong f = new FrmPhong();
this.Hide();
f.ShowDialog();
// f.Show();
this.loadRoom();
this.Show();
}
private void linkQLP_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
{
FrmPhong frmP = new FrmPhong();
this.Hide();
frmP.ShowDialog();
//this.timer1.Start();
this.loadRoom();
this.Show();
}