private void updateBTN_Click(object sender, EventArgs e) { if (stu == null) { MessageBox.Show("select Student "); } else { bool Isopen = false; foreach (Form f in Application.OpenForms) { if (f.Text == "Student_Reg") { Isopen = true; f.BringToFront(); break; } } if (Isopen == false) { Student_Reg stur = new Student_Reg(student, "update"); stur.Show(); } } }
private void Student_Click(object sender, EventArgs e) { Button button = sender as Button; if (button.Name.Equals("register_Btn")) { bool Isopen = false; foreach (Form f in Application.OpenForms) { if (f.Text == "Student_Reg") { Isopen = true; f.BringToFront(); break; } } if (Isopen == false) { Student_Reg sr = new Student_Reg(); sr.Show(); } } }