private void metroTile9_Click(object sender, EventArgs e)
{
using (FrmThiSinh frm = new FrmThiSinh())
{
frm.ShowDialog();
}
}
private void btnMetroInfoAccount_Click(object sender, EventArgs e)
{
using (FrmThiSinh frm = new FrmThiSinh())//Open main form and hide login form
{
frm.ShowDialog();
}
}