private void Login_Click(object sender, RoutedEventArgs e) { SqlConnection con = new SqlConnection(/* Dillans database */); /* try * { * if (con.State == ConnectionState.Closed) * con.Open(); * String query = "SELECT COUNT(1) FROM Login WHERE Username=@Username AND Password=@Password"; * SqlCommand sqlcmd = new SqlCommand(query, con); * sqlcmd.CommandType = CommandType.Text; * sqlcmd.Parameters.AddWithValue("@Username", username.Text); * sqlcmd.Parameters.AddWithValue("@Password", password.Text); * int count = Convert.ToInt32(sqlcmd.ExecuteScalar()); * if (count == 1) * { * * MainMenuTeacher mmt = new MainMenuTeacher(); * NavigationService.Navigate(mmt); * * } * else * { * MessageBox.Show("Username or Password is incorrect."); * } * } * catch (Exception ex) * { * * MessageBox.Show(ex.Message); * } * finally * { * con.Close(); * } */ if (username.Text == "student" || password.Text == "student") { MainMenuStudent mms = new MainMenuStudent(); MainMenuTeacher mmt = new MainMenuTeacher(); NavigationService.Navigate(mmt); } }
private void Exit_Click(object sender, RoutedEventArgs e) { MainMenuStudent mainMenuStudent = new MainMenuStudent(); NavigationService.Navigate(mainMenuStudent); }