private void metroTile6_Click(object sender, EventArgs e)
{
using (LogInThiSinh frm = new LogInThiSinh())
{
frm.ShowDialog();
}
}
private void metroTile5_Click(object sender, EventArgs e)
{
using (LogInThiSinh frm = new LogInThiSinh())//Open main form and hide login form
{
this.Hide();
frm.ShowDialog();
}
}