public async Task <bool> Delete(LuongTheoThang entity)
 {
     _db.LuongTheoThangs.Remove(entity);
     return(await Save());
 }
 public async Task <bool> Update(LuongTheoThang entity)
 {
     _db.LuongTheoThangs.Update(entity);
     return(await Save());
 }
        public async Task <bool> Create(LuongTheoThang entity)
        {
            await _db.LuongTheoThangs.AddAsync(entity);

            return(await Save());
        }