private void finish_Click(object sender, EventArgs e)
{
Online_Exame ex = new Online_Exame();
IfStdExameExestBefor();
foreach (var item in StudentAnswers)
{
//var msg = ex.NewStudentExam(studentID, item.Key, examID, 0, item.Value);
Student_Exam se = new Student_Exam()
{
St_id = studentID,
Ex_id = examID,
Q_id = item.Key,
Result = 0,
St_answer = item.Value
};
ex.Student_Exam.Add(se);
ex.SaveChanges();
}
ex.ExamCorrection(studentID, examID);
var res = ex.ExamRes(studentID, examID).First();
MessageBox.Show($"your grade {res}");
StudentDashbord std = new StudentDashbord(studentID);
this.Close();
std.Show();
}