private void button1_Click(object sender, EventArgs e) { bool check = ValidateForm(); if (check == true) { string role = StatusList.GetItemText(StatusList.SelectedItem); string name = NameTbx.Text; string email = EmailTb.Text; string password = PasswordTbx.Text; string phoneNumber = PhoneTbx.Text; string address = AddressTbx.Text; string text = ""; Contact contact = new Contact(); if (role.Equals("CLIENT")) { CustomerAccount client = new CustomerAccount(); int group = Int32.Parse(textBox1.Text); text = client.addNewClient(name, password, group, email, phoneNumber, address); } else { TeacherAccount staff = new TeacherAccount(); text = staff.addNewStaff(name, password, role, email, address, phoneNumber); } MessageBox.Show(text); } }