private void LoadCourseDropDown()
        {

            courseDropdown.Items.Clear();

            foreach (Base.Classes.Course course in _courseList)
            {
                RadComboBoxItem item = new RadComboBoxItem();
                item.Text = course.CourseName;
                item.Value = course.CourseName;
                if (course.CourseName == SelectedImage.Course)
                    item.Selected = true;
                var gradeOrdinal = new Base.Classes.Course(course.CourseName);
                item.Attributes["courseOrdinal"] = gradeOrdinal.CourseName;

                courseDropdown.Items.Add(item);

            }
            RadComboBoxItem someitem = courseDropdown.FindItemByValue(SelectedImage.Course);
            if (someitem == null)
            {
                RadComboBoxItem newitem = new RadComboBoxItem();
                newitem.Text = SelectedImage.Course;
                newitem.Value = SelectedImage.Course;
                newitem.Selected = true;

                var gOrdinal = new Base.Classes.Course(SelectedImage.Course);
                newitem.Attributes["courseOrdinal"] = gOrdinal.CourseName;

                courseDropdown.Items.Add(newitem);

            }

        }
        /// <summary>
        /// Load subject dropdown
        /// </summary>
        private void LoadSubjectDropDown()
        {
            subjectDropdown.Items.Clear();

            foreach (Subject subject in _subjectList)
            {
                RadComboBoxItem item = new RadComboBoxItem();
                item.Text = subject.DisplayText;
                item.Value = subject.DisplayText;
                if (subject.DisplayText == (UseTq ? _itemTestQuestion.Subject : _itemBankQuestion.Subject))
                    item.Selected = true;
                var gradeOrdinal = new Subject(subject.DisplayText);
                item.Attributes["subjectOrdinal"] = gradeOrdinal.DisplayText;

                subjectDropdown.Items.Add(item);
            }

            RadComboBoxItem someitem = subjectDropdown.FindItemByValue((UseTq ? _itemTestQuestion.Subject : _itemBankQuestion.Subject));
            if (someitem == null)
            {
                RadComboBoxItem newitem = new RadComboBoxItem();
                newitem.Text = (UseTq ? _itemTestQuestion.Subject : _itemBankQuestion.Subject);
                newitem.Value = (UseTq ? _itemTestQuestion.Subject : _itemBankQuestion.Subject);
                newitem.Selected = true;

                var gOrdinal = new Base.Classes.Course((UseTq ? _itemTestQuestion.Subject : _itemBankQuestion.Subject));
                newitem.Attributes["subjectOrdinal"] = gOrdinal.CourseName;

                subjectDropdown.Items.Add(newitem);
            }
        }