private void barButtonItem2_ItemClick(object sender, ItemClickEventArgs e)
{
Graduate_Student g = new Graduate_Student();
g.ShowDialog();
}
private void navBarItem8_LinkClicked(object sender, DevExpress.XtraNavBar.NavBarLinkEventArgs e)
{
Graduate_Student g = new Graduate_Student();
g.ShowDialog();
}
private void metroTile9_Click(object sender, EventArgs e)
{
Graduate_Student gr_s = new Graduate_Student();
gr_s.ShowDialog();
}