我想根据品牌名称对数据库进行排序，但它不起作用

Controller

public ActionResult brand(int brand_Id = 0)
{
    var model = db.MVCs.Where(i => i.brand_Id == brand_Id);
    if (model == null)
    {
        return HttpNotFound();
    }
    return View(model);
}
public ActionResult brand(int bran