ASP.NETMVC中通过类别下拉列表搜索
创始人
2024-09-19 10:00:39
0
  1. 首先,在Model中定义类别属性及对应的搜索方法:
public class Product {
    public int Id { get; set; }
    public string Name { get; set; }
    public string Category { get; set; }
    public decimal Price { get; set; }
}

public class ProductSearchRepository {
    private List products = new List {
        new Product { Id = 1, Name = "iPhone", Category = "Electronics", Price = 999.00m },
        new Product { Id = 2, Name = "Samsung TV", Category = "Electronics", Price = 799.00m },
        new Product { Id = 3, Name = "Nike Shoes", Category = "Clothing", Price = 69.99m },
        new Product { Id = 4, Name = "Levis Jeans", Category = "Clothing", Price = 59.99m },
    };

    public IEnumerable GetCategories() {
        return products.Select(p => p.Category).Distinct().OrderBy(c => c);
    }

    public IEnumerable SearchByCategory(string category) {
        return products.Where(p => p.Category == category).OrderBy(p => p.Name);
    }
}
  1. 在Controller中创建类别下拉列表:
public class ProductsController : Controller {
    private ProductSearchRepository repository = new ProductSearchRepository();

    public ActionResult Index(string category) {
        ViewBag.Category = new SelectList(repository.GetCategories());

        var products = string.IsNullOrEmpty(category) ? new List() : repository.SearchByCategory(category);
        return View(products);
    }
}
  1. 在View中添加类别下拉列表:
@model IEnumerable

@using (Html.BeginForm()) {
    

@Html.Label("Category:") @Html.DropDownList("category", (IEnumerable) ViewBag.Category, "All Categories", new { onchange = "this.form.submit();" })

} @foreach (var product in Model) {

相关内容

热门资讯

wepoke辅助技巧!wopo... wepoke辅助技巧!wopoker辅助软件(Wepoke自建房)确实有挂(详细有辅助挂教程)1、玩...
红龙扑克辅助!红龙扑克有挂吗,... 红龙扑克辅助!红龙扑克有挂吗,(红龙扑克)一直是有挂(详细辅助教程);最新版2024是一款经典耐玩的...
红龙扑克辅助!红龙扑克怎么看底... 红龙扑克辅助!红龙扑克怎么看底牌,(红龙扑克)确实存在有挂(详细辅助工具教程);支持2-10人实时对...
红龙扑克辅助器!红龙扑克辅助器... 红龙扑克辅助器!红龙扑克辅助器,(红龙扑克)真是真的是有挂(详细辅助教程)是一款可以让一直输的玩家,...
wepoke辅助!wepoke... 1、wepoke辅助!wepoke软件透明挂存在吗(we-poke)果然真的有挂(详细ai辅助教程)...
微扑克辅助软件!微扑克辅助软件... 微扑克辅助软件!微扑克辅助软件查得出来吗,(微扑克)竟然是有挂(详细全自动机器人教程);支持2-10...
德扑之星发牌!德扑手机上算胜率... 德扑之星发牌!德扑手机上算胜率的软件,德扑之星介绍其实是有挂(详细解析教程)1、让任何用户在无需AI...
红龙扑克辅助器!红龙扑克怎么看... 1、红龙扑克辅助器!红龙扑克怎么看底牌,(红龙扑克)切实是真的有挂(详细辅助器教程);该软件可以轻松...
微扑克辅助挂!微扑克代打是真的... 微扑克辅助挂!微扑克代打是真的吗,(微扑克机制)切实存在有挂(详细德州专用辅助器教程)1、完成微扑克...
德扑ai购买!德扑之星专业代打... 德扑ai购买!德扑之星专业代打,德扑之星隐藏竟然真的有挂(详细查数据教程)科技教程也叫必备教程,这是...
Name Category Price
@product.Name