private void toolStripButton4_Click(object sender, EventArgs e)
{
ClassTermlyReport cls = new ClassTermlyReport();
cls.MdiParent = this;
cls.Show();
}
private void copyToolStripMenuItem_Click(object sender, EventArgs e)
{
ClassTermlyReport ctr = new ClassTermlyReport();
ctr.MdiParent = this;
ctr.Show();
}
