private void Back_picturebox_Click(object sender, EventArgs e) { Main_programm main = new Main_programm(); this.Hide(); main.ShowDialog(); }
private void Next_question_picturebox_Click(object sender, EventArgs e) { if (radioButton1.Checked == true) { UserAnswers.Add("a"); } else if (radioButton2.Checked == true) { UserAnswers.Add("b"); } else if (radioButton3.Checked == true) { UserAnswers.Add("c"); } else { UserAnswers.Add("d"); } //got user answers if (arithmos1 == number) { for (int i = 0; i < number; i++) { if (UserAnswers[i] == CorrectAnswers[i]) { total_correct_answers++; } } MessageBox.Show("Total correct answers : " + total_correct_answers.ToString()); Main_programm main = new Main_programm(); this.Hide(); main.ShowDialog(); } else { arithmos1++; richTextBox2.Text = Question[arithmos1 - 1]; radioButton1.Text = AnswersA[arithmos1 - 1]; radioButton2.Text = AnswersB[arithmos1 - 1]; radioButton3.Text = AnswersC[arithmos1 - 1]; radioButton4.Text = AnswersD[arithmos1 - 1]; question_number_label.Text = arithmos1.ToString() + "/" + number.ToString(); } }
private void Login_button_Click(object sender, EventArgs e) { if (Username_textbox.Text == "" || Password_textbox.Text == "") { MessageBox.Show("Don't leave empty fields !"); } else { try { connection.Open(); query = "SELECT * FROM Table1 WHERE Username='******' and [Password]='" + Password_textbox.Text + "'"; OleDbCommand command = new OleDbCommand(query, connection); OleDbDataReader reader = command.ExecuteReader(); int counter = 0; while (reader.Read()) { counter++; username = reader.GetString(1); } connection.Close(); if (counter == 0) { MessageBox.Show("Invalid information! Check your inputs or if you don't have an account click on Create a new account to create one!"); } else { MessageBox.Show("Welcome " + username); username_logged_in = username; Main_programm programm = new Main_programm(); this.Hide(); programm.ShowDialog(); } } catch (Exception) { MessageBox.Show("An error occured , please try again!"); } } }