public void add() { { if (metroTextBox1.Text == "") { MessageBox.Show("Please Complete the Form"); } else if (metroTextBox1.Text != "") { MySqlConnection conn = new MySqlConnection(myConnection); conn.Close(); conn.Open(); MySqlCommand command = conn.CreateCommand(); command.CommandText = "select * from yearlvl where id = '" + metroTextBox1.Text + "'"; MySqlDataReader read = command.ExecuteReader(); int count = 0; while (read.Read()) { count++; } if (count == 1) { MessageBox.Show("It seems that the year lvl is already there."); conn.Close(); } else if (count > 1) { MessageBox.Show("It seems that the year lvl is already there."); metroTextBox1.Text = ""; conn.Close(); } else { conn.Close(); conn.Open(); MySqlCommand command2 = conn.CreateCommand(); command2.CommandText = "insert into yearlvl (yearlvl) values ( '" + metroTextBox1.Text + "')"; command2.ExecuteNonQuery(); MessageBox.Show("Registered Successfully"); this.Hide(); RegisterForm a = new RegisterForm(); a.Show(); this.Hide(); conn.Close(); metroTextBox1.Text = ""; } conn.Close(); } } }
private void llblRegister_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) { RegisterForm registerForm = new RegisterForm(); registerForm.ShowDialog(); }