private void toonDocentenToolStripMenuItem_Click(object sender, EventArgs e)
{
//groupBox1.Controls.Clear();
panel1.Controls.Clear(); // clear stuff on panel1
groupBox1.Text = "Teachers"; // set title of groupbox
panel1.Controls.Add(SomerenUI.showTeachers()); // show table in panel1
}
private void toonDocentenToolStripMenuItem_Click(object sender, EventArgs e)
{
this.panel1.Controls.Clear();
this.groupBox1.Text = "Docenten";
this.panel1.Controls.Add(SomerenUI.showTeachers());
}