Koneksi Berhasil

private void button5_Click(object sender, EventArgs e)

        {

            string connetionString;

            SqlConnection cnn;

            connetionString = "data source=ACER-PC\\SQLEXPRESS;database = hr;integrated security = SSPI";

            cnn = new SqlConnection(connetionString);

            cnn.Open();

            MessageBox.Show("Koneksi Berhasil!");

            cnn.Close();

        }