public async Task <MatHang> Create(MatHang enttity)
{
var mathang = _repositoryMatHang.FirstOrDefault(x => x.MaMH == enttity.MaMH);
if (mathang != null)
{
throw new UserFriendlyException("Mat hang da ton tai");
}
return(await _repositoryMatHang.InsertAsync(enttity));
}
public void Update(MatHang enitity)
{
_repositoryMatHang.Update(enitity);
}