protected void fillCourseTopicDropDownByCloId(String cloId)
        {
            DropDownList5.Items.Clear();
            AppDao appDaoObj = new AppDao();
            List<AppCourseTopic> CLOList = appDaoObj.getCourseTopicListByCloId(cloId);
            if (CLOList != null)
            {
                foreach (AppCourseTopic CLO in CLOList)
                {
                    ListItem att2 = new ListItem();

                    att2.Value = CLO.id.ToString();
                    att2.Text = CLO.topic.ToString();

                    DropDownList5.Items.Add(att2);
                }
                DropDownList5.SelectedIndex = 0;
            }
        }