public ActionResult UpdateCollege(CollegeDetailsModel modelToUpdate)
        {
            if (!ModelState.IsValid)
            {
                return(View());
            }
            CollegeService collegeService = new CollegeService();

            if (collegeService.UpdateCollege(modelToUpdate))
            {
                TempData["toast"] = "College Updated successfully";
                return(RedirectToAction("ViewColleges"));
            }
            else
            {
                ModelState.AddModelError("UpdateCollegeFailedError", "Error in updating the college. The College code should be unique");
                return(this.View());
            }
        }