public virtual async Task <ActionResult> Add(StudentGroupAssigmentsModel model)
        {
            TempData["notice"] = "Error";
            TempData["notice"] = "Success";
            if (!ModelState.IsValid)
            {
                return(RedirectToAction("BadRequest"));
            }

            try
            {
                var group = await StudentGroupCore.AddAsync(model.GroupId, model.StudentId).ConfigureAwait(false);

                if (group == null)
                {
                    return(RedirectToAction("BadRequest"));
                }

                return(RedirectToAction("Success"));
            }
            catch (Exception ex)
            {
                LogHelper.LogException <StudentGroupController>(ex);
                return(RedirectToAction("BadRequest"));
            }
        }
        public virtual async Task <ActionResult> GetStudetGroups(Guid groupId)
        {
            try
            {
                var std = await StudentGroupCore.GetAsync(groupId).ConfigureAwait(false);

                if (std == null)
                {
                    return(BadRequest());
                }

                return(Success());
            }
            catch (Exception ex)
            {
                LogHelper.LogException <StudentGroupController>(ex);
                return(BadRequest());
            }
        }
        public virtual async Task <ActionResult> Display(Guid Id)
        {
            var stdgrp = await StudentGroupCore.GetAsync(Id);

            return(View(stdgrp));
        }