protected override void OnInit(EventArgs e)
        {
            base.OnInit(e);

            // fill division levels
            radioDivisionLevel.DataSource = EnumViewModel <DivisionLevel> .GetValues(ViewModelContext, false);

            radioDivisionLevel.DataBind();

            // bind divisions
            divisionSelector.DataSource = new FlatQuery <DivisionInfo> (ModelContext).ListOrderBy(d => d.Title);
            divisionSelector.DataBind();

            // fill edulevels list
            foreach (var eduLevel in new EduLevelQuery(ModelContext).List())
            {
                listEduLevels.AddItem(UniversityFormatHelper.FormatShortTitle(eduLevel.ShortTitle, eduLevel.Title), eduLevel.EduLevelID.ToString());
            }
        }