private void btnAdd_Click(object sender, EventArgs e)
{
if (flag == 1)
{
Instructor next = new Instructor();
this.Hide();
next.Show();
}
else if (flag == 2)
{
Guest next = new Guest();
this.Hide();
next.Show();
}
else
{
Audience next = new Audience();
this.Hide();
next.Show();
}
}
