public List <Brand> AllBrand()
{
List <Brand> list_brand = new List <Brand>();
var listBrand = _connectDB.AllBrand();
foreach (DataRow dr in listBrand.Tables[0].Rows)
{
Brand brand = new Brand();
brand.id = Convert.ToInt32(dr["id"]);
brand.name = dr["name"].ToString();
list_brand.Add(brand);
}
return(list_brand);
}