private void btn_remove_Click(object sender, EventArgs e) { if (mng.RemoveStudentFully(Int32.Parse(std_id.Text))) { //FileStream file = File.Create("Uni"); //BinaryFormatter bf = new BinaryFormatter(); //bf.Serialize(file, Universal.instance); //file.Close(); ManagerPanel managerpanel = new ManagerPanel(id); managerpanel.Show(); this.Hide(); } }