private void barButtonItem3_ItemClick(object sender, ItemClickEventArgs e)
{
Student_State s = new Student_State();
s.ShowDialog();
}
private void navBarItem12_LinkClicked(object sender, DevExpress.XtraNavBar.NavBarLinkEventArgs e)
{
Student_State s = new Student_State();
s.ShowDialog();
}
private void metroTile15_Click(object sender, EventArgs e)
{
Student_State ss = new Student_State();
ss.ShowDialog();
}