private void FillField(int id)
        {
            LectureTypeModel lectureTypeModel = new LectureTypeModel();
            LectureType      lectureType      = lectureTypeModel.getLectureType(id);

            txtName.Text = lectureType.Name;
        }
        protected void btnSubmit_Click(object sender, EventArgs e)
        {
            LectureTypeModel model = new LectureTypeModel();
            LectureType      lt    = createLectureType();

            if (!String.IsNullOrWhiteSpace(Request.QueryString["id"]))
            {
                int id = Convert.ToInt32(Request.QueryString["id"]);
                lblResult.Text = model.UpdateLectureTypes(id, lt);
            }
            else
            {
                lblResult.Text = model.InsertLectureTypes(lt);
            }
        }