private void button2_Click(object sender, EventArgs e)
{
panel3a.Controls.Clear();
TeacherList ap21 = new TeacherList();
ap21.Dock = DockStyle.Fill;
ap21.TopLevel = false;
ap21.TopMost = true;
ap21.AutoScroll = true;
ap21.FormBorderStyle = FormBorderStyle.None;
this.panel3a.Controls.Add(ap21);
ap21.Show();
}
private void button3_Click(object sender, EventArgs e)
{
panel3.Controls.Clear();
TeacherList at3 = new TeacherList();
at3.Dock = DockStyle.Fill;
at3.TopLevel = false;
at3.TopMost = true;
at3.AutoScroll = true;
at3.FormBorderStyle = FormBorderStyle.None;
// this.pCoin.Controls.Add(a1);
// this.panel2_Paint.Controls.Add(a1);
this.panel3.Controls.Add(at3);
at3.Show();
}