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

            return(await Save());
        }