public async Task <ActionResult> CreateCollege([FromBody] CollegeDto dto) { var college = await _collegeRepository.LoadEntitiesAsIQueryable(x => x.CollegeId == dto.CollegeId || x.CollegeName == dto.CollegeName) .FirstOrDefaultAsync(); if (college != null) { return(BadRequest()); } college = _mapper.Map <College>(dto); var collegeId = Convert.ToInt32(DateTime.Now.ToString("yyyyHHss")); college.CollegeId = collegeId; await _collegeRepository.AddEntityAsync(college); return(NoContent()); }