private void ViewExamBtn_Click(object sender, EventArgs e)
{
ComboboxItem item = (ComboboxItem)examsCombobox.SelectedItem;
int exam_id = Int32.Parse(item.Value.ToString());
examquestions = ExamQuestionDAL.GetExamQuestions(exam_id);
for (int i = 0; i < examquestions.Count; i++)
{
string name = QuestionDAL.GetQuestionTypeName(examquestions[i].Question.Type);
dataGridView1.Rows.Add(name, examquestions[i].Question.QuestionText);
}
}