public ActionResult SelectGroups(int selectThemeId)
 {
     SelectGroupsModel model = new SelectGroupsModel(LmsService, selectThemeId, (String)HttpContext.Session["TeacherUserName"],
         (String)HttpContext.Session["CurriculumName"]);
     HttpContext.Session["ThemeName"] = model.GetThemeName();
     HttpContext.Session["ThemeId"] = selectThemeId;
     return View(model);
 }
 public ActionResult SelectGroups(int selectTopicId)
 {
     SelectGroupsModel model = new SelectGroupsModel(LmsService, selectTopicId, (String)HttpContext.Session["TeacherUserName"],
         (String)HttpContext.Session["DisciplineName"]);
     HttpContext.Session["TopicName"] = model.GetTopicName();
     HttpContext.Session["TopicId"] = selectTopicId;
     return View(model);
 }