public static void GetCorrectAnswer()
{
OleDbConnection cn = new OleDbConnection();
cn.ConnectionString = ConfigurationManager.ConnectionStrings["Connection"].ToString();
cn.Open();
OleDbCommand thisComand = cn.CreateCommand();
thisComand.CommandText = @"SELECT CorrectAnswer FROM " + User.NameOfTest + " WHERE numQuestion = " + User.ArrOfQuestions[User.NumQuestion];
OleDbDataReader thisReader = thisComand.ExecuteReader();
string FromDb = string.Empty;
if (thisReader.Read())
{
FromDb += thisReader["CorrectAnswer"];
}
AddToList.SaveCorrectAnswer(FromDb);
cn.Close();
}
private void bTest1_Click(object sender, EventArgs e)
{
bFinish.Show();
User.NameOfTest = cbListTests.SelectedValue.ToString();
pTestsMain.Hide();
lNameTest.Text = "Test: " + User.NameOfTest;
lScore.Text = "";
DB.GetAmountOfQuestions();
AddToList.SetDefaultAnswers();
pCenter.Show();
pTriggers.Show();
User.NumQuestion = 1;
User.TotalScore = 0;
TestFinished = false;
bBack.Hide();
bNext.Show();
ShowQuestions();
pLeft.Hide();
tbQ1.BackColor = Color.FromName("White");
tbQ2.BackColor = Color.FromName("White");
tbQ3.BackColor = Color.FromName("White");
tbQ4.BackColor = Color.FromName("White");
TestFinished = false;
}
void ShowQuestions()
{
rA.Checked = false;
rB.Checked = false;
rC.Checked = false;
rD.Checked = false;
User.Question = (DB.LoadTest1(@"SELECT Questions FROM " + User.NameOfTest + " WHERE numQuestion = " + User.ArrOfQuestions[User.NumQuestion]));
rtbQuestionField.Text = User.Question;
User.AnswerQ1 = "";
User.AnswerQ2 = "";
User.AnswerQ3 = "";
User.AnswerQ4 = "";
DB.GetQAnswers(User.ArrOfQuestions[User.NumQuestion]);
if (User.AnswerQ1 == "")
{
tbQ1.Hide(); rA.Hide();
}
else
{
tbQ1.Show(); rA.Show();
}
if (User.AnswerQ2 == "")
{
tbQ2.Hide(); rB.Hide();
}
else
{
tbQ2.Show(); rB.Show();
}
if (User.AnswerQ3 == "")
{
tbQ3.Hide(); rC.Hide();
}
else
{
tbQ3.Show(); rC.Show();
}
if (User.AnswerQ4 == "")
{
tbQ4.Hide(); rD.Hide();
}
else
{
tbQ4.Show(); rD.Show();
}
DB.GetCorrectAnswer();
tbQ1.Text = User.AnswerQ1;
tbQ2.Text = User.AnswerQ2;
tbQ3.Text = User.AnswerQ3;
tbQ4.Text = User.AnswerQ4;
lQuestion.Text = "Questions: " + User.NumQuestion + "/" + User.AmountOfQuestions;
CheckUserAnswer();
AddToList.MakeListOfQuestion();
if (User.NumQuestion == User.AmountOfQuestions)
{
bNext.Hide();
}
else
{
bNext.Show();
}
if (User.NumQuestion == 1)
{
bBack.Hide();
}
else
{
bBack.Show();
}
}
public void ShowQuestions()
{
User.NameOfTest = cbListTests.SelectedValue.ToString();
if (User.NumQuestion < User.AmountOfQuestions)
{
bBack.Show(); bNext.Show();
}
if (User.NumQuestion > 1)
{
bBack.Show(); bNext.Show();
}
if (User.NumQuestion == 1)
{
bBack.Hide(); bNext.Show();
}
if (User.NumQuestion == 0)
{
User.NumQuestion = 1; bBack.Hide(); bNext.Hide(); return;
}
User.AmountOfQuestions = 0;
DB.GetAmountOfQuestions();
if (User.AmountOfQuestions == 1)
{
bDeleteQuestion.Hide();
}
else
{
bDeleteQuestion.Show();
}
if (User.NumQuestion == User.AmountOfQuestions)
{
bNext.Hide(); bBack.Show();
}
DB.GetQAnswers(User.NumQuestion);
tbAnsw1.Text = User.AnswerQ1;
tbAnsw2.Text = User.AnswerQ2;
tbAnsw3.Text = User.AnswerQ3;
tbAnsw4.Text = User.AnswerQ4;
User.Question = (DB.LoadTest1(@"SELECT Questions FROM " + User.NameOfTest + " WHERE numQuestion = " + User.ArrOfQuestions[User.NumQuestion]));
rtbAddQuestion.Text = User.Question;
AddToList.SetDefaultAnswers();
DB.GetCorrectAnswer();
if ((User.CorrectAnswer.ElementAt(User.NumQuestion)) == tbAnsw1.Text)
{
rbAA.Checked = true;
}
;
if ((User.CorrectAnswer.ElementAt(User.NumQuestion)) == tbAnsw2.Text)
{
rbBB.Checked = true;
}
;
if ((User.CorrectAnswer.ElementAt(User.NumQuestion)) == tbAnsw3.Text)
{
rbCC.Checked = true;
}
;
if ((User.CorrectAnswer.ElementAt(User.NumQuestion)) == tbAnsw4.Text)
{
rbDD.Checked = true;
}
;
lInfo.Text = "Test: " + User.NameOfTest;
lQuestion.Text = "Question " + User.NumQuestion + "/" + User.AmountOfQuestions;
if (lQuestion.Text == "Question 1/1")
{
bBack.Hide(); bNext.Hide();
}
if (lQuestion.Text == "Question 0/0")
{
MessageBox.Show("Test without questions");
}
}