private void PictureBox1_Click(object sender, EventArgs e)
{
ManageMarks Mm = new ManageMarks();
this.Hide();
Mm.ShowDialog();
}
private void BtnManageMarksCRS_Click(object sender, EventArgs e)
{
ManageMarks Mm = new ManageMarks();
this.Hide();
Mm.ShowDialog();
}
private void BtnManageMarksUD_Click(object sender, EventArgs e)
{
ManageMarks Mm = new ManageMarks();
Mm.StartPosition = FormStartPosition.CenterScreen;
Mm.ShowDialog();
}