private void Button_Click(object sender, RoutedEventArgs e)
{
try {
int QID = getQuestionsOfExam.ElementAt(i).QustCode;
if ((i + 2) == QCounter)
{
next.Content = "Submit";
}
double Degree = (from d in contect3.exam_qusetion
where d.Question_Id == QID && d.Exam_Id == selectedExamId
select d.Grade).FirstOrDefault();
//to submit the current answer of question
if (CurrentQuestion == "text")
{
string Answer = studentTextAswer.Text;
string ModelAnswer = (from m in contect3.textquestions
where m.QustCode == QID
select m.ModelAnswer).FirstOrDefault();
rel_student_qusetion_exam submitQues = new rel_student_qusetion_exam();
submitQues.QustCode = getQuestionsOfExam.ElementAt(i).QustCode;
submitQues.ExamCode = selectedExamId;
submitQues.StudentId = userID;
submitQues.Answer = Answer;
submitQues.ModelAnswer = ModelAnswer;
if (ModelAnswer == Answer)
{
submitQues.DegreeMark = Degree;
}
else
{
submitQues.DegreeMark = 0;
}
contect3.rel_student_qusetion_exam.Add(submitQues);
}
else if (CurrentQuestion == "mcq")
{
bool right = false;
List <string> Answer = new List <string>();
List <string> ModelAnswer = (from m in contect3.multichoices
join v in contect3.msqmultivalues
on m.MCQCode equals v.MCQCode
where m.QustCode == QID
select v.ModelAnswer).ToList();
if (A.IsChecked == true)
{
Answer.Add(A.Content.ToString());
}
if (B.IsChecked == true)
{
Answer.Add(B.Content.ToString());
}
if (C.IsChecked == true)
{
Answer.Add(C.Content.ToString());
}
if (D.IsChecked == true)
{
Answer.Add(D.Content.ToString());
}
if (ModelAnswer.Count == Answer.Count)
{
int j = 0;
if (ModelAnswer.Contains(Answer.ElementAt(j)))
{
j++;
right = true;
}
else
{
right = false;
}
}
rel_student_qusetion_exam submitQues = new rel_student_qusetion_exam();
submitQues.QustCode = getQuestionsOfExam.ElementAt(i).QustCode;
submitQues.ExamCode = selectedExamId;
submitQues.StudentId = userID;
foreach (var item in Answer)
{
submitQues.Answer += item + ",";
}
foreach (var item in ModelAnswer)
{
submitQues.ModelAnswer += item + ",";
}
if (right == true)
{
submitQues.DegreeMark = Degree;
}
if (right == false)
{
submitQues.DegreeMark = 0;
}
contect3.rel_student_qusetion_exam.Add(submitQues);
}
else if (CurrentQuestion == "tf")
{
string Answer;
string ModelAnswer = (from m in contect3.qtruefalses
where m.QustCode == QID
select m.ModelAnswer).FirstOrDefault();
if (T.IsChecked == true)
{
Answer = "true";
}
else
{
Answer = "false";
}
rel_student_qusetion_exam submitQues = new rel_student_qusetion_exam();
submitQues.QustCode = getQuestionsOfExam.ElementAt(i).QustCode;
submitQues.ExamCode = selectedExamId;
submitQues.StudentId = userID;
submitQues.Answer = Answer;
submitQues.ModelAnswer = ModelAnswer;
if (ModelAnswer == Answer)
{
submitQues.DegreeMark = Degree;
}
else
{
submitQues.DegreeMark = 0;
}
contect3.rel_student_qusetion_exam.Add(submitQues);
}
contect3.SaveChanges();
i++;
if (i + 1 > QCounter)
{
CurrentQuestion = "theEnd";
Canvas.SetZIndex(ExamSubmit, ++z);
getStuentExamListView();
}
else
{
try
{
//to get the next question
question questionIndex = getQuestionsOfExam.ElementAt(i);
string QuestionContent = "";
if (questionIndex.type == "text")
{
var Question = (from qs in contect3.textquestions
where qs.QustCode == questionIndex.QustCode
select qs).FirstOrDefault();
QuestionContent = Question.question;
CurrentQuestion = "text";
Canvas.SetZIndex(textAnswer, ++z);
}
if (questionIndex.type == "MSQ")
{
QuestionContent = (from qs in contect3.multichoices
where qs.QustCode == questionIndex.QustCode
select qs.question).FirstOrDefault();
List <string> choise = (from choisse in contect3.msqmultivalues
where choisse.MCQCode == (from qs in contect3.multichoices
where qs.QustCode == questionIndex.QustCode
select qs.MCQCode).FirstOrDefault()
select choisse.ModelAnswer).ToList();
A.Content = choise.ElementAt(0);
B.Content = choise.ElementAt(1);
C.Content = choise.ElementAt(2);
D.Content = choise.ElementAt(3);
CurrentQuestion = "mcq";
Canvas.SetZIndex(msqAnswer, ++z);
}
if (questionIndex.type == "true&false")
{
QuestionContent = (from qs in contect3.qtruefalses
where qs.QustCode == questionIndex.QustCode
select qs.question).FirstOrDefault();
CurrentQuestion = "tf";
Canvas.SetZIndex(tfAnswer, ++z);
}
question.Content = QuestionContent;
}
catch (Exception h)
{
}
}
}
catch (Exception f)
{
MessageBox.Show("invalid inputs");
}
}
private void submit_exam(object sender, RoutedEventArgs e)
{
try
{
CourseNName = IstuctorCourse.SelectedItem.ToString();
DateTime dateofExam = ExamDate.DisplayDate;
int munites = 0;
string[] number = ExamTime.Text.Split(':', ',');
if (number.Length == 1)
{
munites = 0;
}
else if (number.Length > 1)
{
munites = int.Parse(number[1]);
}
else
{
MessageBox.Show("please enter the time of exam");
}
var hour = int.Parse(number[0]) + int.Parse(duration.Text.ToString());
DateTime examDateTimeBegin = new DateTime(dateofExam.Year, dateofExam.Month, dateofExam.Day, int.Parse(number[0]), munites, 0);
//TimeSpan examDateTimeBegin = new TimeSpan(examDateTime.Day, int.Parse(number[0]), munites, 0);
DateTime examDateTimeEnd = new DateTime(examDateTimeBegin.Year, examDateTimeBegin.Month, examDateTimeBegin.Day, hour, munites, 0);
if (int.Parse(sumOfQuestionGrades.Text) == ExamDegree && examDateTimeBegin != null &&
SelectedQuestionsss.Count > 0 && int.Parse(duration.Text.ToString()) > 0)
{
//the questions that selected to the exam
List <Quesition> questions = new List <Quesition>();
questions.AddRange(QuestionWithGrades.Where(r => SelectedQuestionsss.Contains(r.IDeas)));
//this list to match from question in class i made to put to the class
//the entity framework has made (the elements is added in the foreach t7t)
List <exam_qusetion> Exams_questions = new List <exam_qusetion>();
//the course of the question
//List<course_question> course_qus = new List<course_question>();
//course_qus.Add(new course_question { Course_ID = 1, Qust_codr = 4 });
//getting the course ID of the selected course
var courseId =
(from courseID in context2.courses
where courseID.Name == CourseNName
select courseID.CourseId).FirstOrDefault();
List <question> DBquestions = new List <question>();
List <exam_qusetion> DBquesRel = new List <exam_qusetion>();
foreach (var item in questions)
{
question qus = new question
{
QustCode = item.IDeas,
type = item.Type
};
//DBquestions.Add(qus);
exam_qusetion rel = new exam_qusetion
{
Grade = item.Degree,
question = qus
};
//DBquesRel.Add(rel);
Exams_questions.Add(rel);
}
List <course_exam> courseOfExam = new List <course_exam>();
var exams = new exam()
{
Name = CourseNName,
Type = comboBoxofexamType.SelectedItem.ToString(), //must be exam of corrective
Date = examDateTimeBegin,
EndTime = examDateTimeEnd,
MaxDegree = (short)ExamDegree,
course_exam = courseOfExam,
exam_qusetion = Exams_questions,
};
context2.exams.Add(exams);
context2.course_exam.Add(new course_exam {
Course_Id = courseId, exam = exams
});
context2.SaveChanges();
MessageBox.Show("Exam Has been Added");
/* ExamDegree // this is the degree of the exam
* IstuctorCourse // this is the course of the exam
* comboBoxofexamType // this combo box is the
* Exams_questions // this is the list of quetions
* examDateTimeBegin // this is the begin time for exam
* examDateTimeEnd //this is the end time for the exam */
}
else
{
totalQgrade.Visibility = Visibility.Visible;
}
}
catch (Exception eee)
{
MessageBox.Show(eee.ToString());
}
}
private void take_exam(object sender, RoutedEventArgs e)
{
try {
if (selectedExamId > 0)
{
rel_exam_student ess = (from es in contect3.rel_exam_student
where es.ExamCode == selectedExamId && es.StuId == userID
select es).First();
ess.Taken = true;
contect3.SaveChanges();
getQuestionsOfExam = (from Q in contect3.questions
join E in contect3.exam_qusetion
on Q.QustCode equals E.Question_Id
where E.Exam_Id == selectedExamId
select Q).ToList();
QCounter = getQuestionsOfExam.Count();
// getting the first question
question questionIndex = getQuestionsOfExam.ElementAt(i);
string QuestionContent = "";
if (questionIndex.type == "text")
{
MessageBox.Show(questionIndex.QustCode.ToString());
var Question = (from qs in contect3.textquestions
where qs.QustCode == questionIndex.QustCode
select qs).FirstOrDefault();
QuestionContent = Question.question;
CurrentQuestion = "text";
Canvas.SetZIndex(textAnswer, ++z);
}
if (questionIndex.type == "MSQ")
{
QuestionContent = (from qs in contect3.multichoices
where qs.QustCode == questionIndex.QustCode
select qs.question).FirstOrDefault();
List <string> choise = (from choisse in contect3.msqmultivalues
where choisse.MCQCode == (from qs in contect3.multichoices
where qs.QustCode == questionIndex.QustCode
select qs.MCQCode).FirstOrDefault()
select choisse.ModelAnswer).ToList();
A.Content = choise.ElementAt(0);
B.Content = choise.ElementAt(1);
C.Content = choise.ElementAt(2);
D.Content = choise.ElementAt(3);
CurrentQuestion = "mcq";
Canvas.SetZIndex(msqAnswer, ++z);
}
if (questionIndex.type == "true&false")
{
QuestionContent = (from qs in contect3.qtruefalses
where qs.QustCode == questionIndex.QustCode
select qs.question).FirstOrDefault();
CurrentQuestion = "tf";
Canvas.SetZIndex(tfAnswer, ++z);
}
question.Content = QuestionContent;
Canvas.SetZIndex(stuQuestion, ++z);
}
else
{
MessageBox.Show("Get Out");
}
}
catch (Exception f)
{
MessageBox.Show("invalid inputs");
}
}
private void msq_save_Click(object sender, RoutedEventArgs e)
{
var course_id =
(from Idcourse in context2.courses
where Idcourse.Name == CourseNName
select Idcourse.CourseId).FirstOrDefault();
// MessageBox.Show(course_id.ToString());
var q = new question()
{
type = "MCQ",
Degree = double.Parse(qDegree1.Text),
};
q = context2.questions.Add(q);
//context2.SaveChanges();
var courses = new course_question()
{
Qust_codr = q.QustCode,
Course_ID = course_id
};
courses = context2.course_question.Add(courses);
//context2.SaveChanges();
var ques = new multichoice()
{
question1 = q,
question = qText1.Text,
};
ques = context2.multichoices.Add(ques);
//context2.SaveChanges();
bool A, B, C, D;
if (checkboxA.IsChecked == true)
{
A = true;
}
else
{
A = false;
}
if (checkboxB.IsChecked == true)
{
B = true;
}
else
{
B = false;
}
if (checkboxC.IsChecked == true)
{
C = true;
}
else
{
C = false;
}
if (checkboxD.IsChecked == true)
{
D = true;
}
else
{
D = false;
}
var multi1 = new msqmultivalue()
{
MCQCode = ques.MCQCode,
ModelAnswer = textA.Text,
correct = A
};
var multi2 = new msqmultivalue()
{
MCQCode = ques.MCQCode,
ModelAnswer = textB.Text,
correct = B
};
var multi3 = new msqmultivalue()
{
MCQCode = ques.MCQCode,
ModelAnswer = textC.Text,
correct = C
};
var multi4 = new msqmultivalue()
{
MCQCode = ques.MCQCode,
ModelAnswer = textD.Text,
correct = D
};
if (multi1.correct == true || multi2.correct == true || multi3.correct == true || multi4.correct == true)
{
context2.msqmultivalues.Add(multi1);
context2.msqmultivalues.Add(multi2);
context2.msqmultivalues.Add(multi3);
context2.msqmultivalues.Add(multi4);
context2.SaveChanges();
questionss.Items.Add(ques);
MessageBox.Show("Done");
}
}