public Manage_Students_Form()
{
InitializeComponent();
if (frm == null)
{
frm = this;
}
this.metroGrid1.DataSource = stud.Get_All_Students();
}
static void frm_FromCLosed(object sender, FormClosedEventArgs e)
{
frm = null;
}
private void manageStudentsToolStripMenuItem_Click_1(object sender, EventArgs e)
{
Manage_Students_Form frm = new Manage_Students_Form();
frm.ShowDialog();
}