public int add(LoaiKhachHang obj)
{
this._db.ds_loaikhachhang.Add(obj);
//commit
this._db.SaveChanges();
//return ma moi nhat
return this._db.ds_loaikhachhang.Max(x => x.id);
}
public List<string> validate(LoaiKhachHang obj)
{
List<String> re = new List<string>();
if (obj.ten.Equals(""))
{
re.Add("ten_fail");
}
return re;
}
