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; }