private void button1_Click(object sender, EventArgs e) { TaiKhoan_DTO tk = new TaiKhoan_DTO(); tk.Username = textBox1.Text; tk.PassWord = textBox2.Text; Results re = new Results(); re = TaiKhoan_BUS.Create_User(tk); if (re.Create_result == 1) { MessageBox.Show(re.Create_message); } else { MessageBox.Show(re.Create_message); } }