Asp.net mvc 3 如何仅重新加载页面的一部分
我的网上购物页面包含两个部分。第一部分是产品清单Asp.net mvc 3 如何仅重新加载页面的一部分,asp.net-mvc-3,Asp.net Mvc 3,我的网上购物页面包含两个部分。第一部分是产品清单 @model WebUI.Models.CakesListViewModel @foreach (var p in Model.Cakes) { Html.RenderPartial("CakesList", p); } @model Domain.Entities.Cart @{ Layout = null; string str = String.Format("{0}", Model.ComputeTotalVal
@model WebUI.Models.CakesListViewModel
@foreach (var p in Model.Cakes) {
Html.RenderPartial("CakesList", p);
}
@model Domain.Entities.Cart
@{
Layout = null;
string str = String.Format("{0}", Model.ComputeTotalValue());
}
<div id="cart">
@Html.ActionLink(str, "Index", "Cart")
</div>
每个产品都显示为局部视图。CakesList.cshtml
@model Domain.Entities.Cake
<div>
@if (Model.ImageData != null) {
<div style="float:left;margin-right:20px">
<img width="75" height="75" src="@Url.Action("GetImage", "Cake", new { Model.Id })" />
</div>
}
<b>@Model.Name<br />
@Model.Price</b><br />
@Model.Description
@using (Html.BeginForm("AddToCart", "Cart"))
{
@Html.HiddenFor(x => x.Id)
@Html.TextBox("quantity", "", new { style = "width: 20px; text-align: center" })
<input type="image" src="../Images/basket.jpg" />
}
</div>
@model Domain.Entities.Cake
@if (Model.ImageData != null) {
<div style="float:left;margin-right:20px">
<img width="75" height="75" src="@Url.Action("GetImage", "Cake", new { Model.Id })" />
</div>
}
<b>@Model.Name<br />
@Model.Price</b><br />
@Model.Description
@using (Ajax.BeginForm("AddToCart", "Cart", new AjaxOptions { HttpMethod = "Get", InsertionMode = InsertionMode.Replace, UpdateTargetId = "mydiv" }))
{
@Html.HiddenFor(x => x.Id)
@Html.TextBox("quantity", "", new { style = "width: 20px; text-align: center" })
<input type="image" src="../Images/basket.jpg" />
}
@model Domain.Entities.Cake
@如果(Model.ImageData!=null){
}
@型号名称
@型号。价格
@型号.说明
@使用(Html.BeginForm(“AddToCart”、“Cart”))
{
@Html.HiddenFor(x=>x.Id)
@TextBox(“数量”,新{style=“宽度:20px;文本对齐:中心”})
}
单击“篮框图像”按钮后,所有页面都将重新加载,但我只需要重新加载页面的第二部分。我该怎么做呢。
第二部分是订购产品的总和
@model WebUI.Models.CakesListViewModel
@foreach (var p in Model.Cakes) {
Html.RenderPartial("CakesList", p);
}
@model Domain.Entities.Cart
@{
Layout = null;
string str = String.Format("{0}", Model.ComputeTotalValue());
}
<div id="cart">
@Html.ActionLink(str, "Index", "Cart")
</div>
@model Domain.Entities.Cart
@{
布局=空;
string str=string.Format(“{0}”,Model.ComputeTotalValue());
}
@ActionLink(str,“Index”,“Cart”)
它出现在_Layout.cshtml中
</head>
<body>
<div id="header">
@{Html.RenderAction("Summary", "Cart");}
<div class="title">Cakes</div>
</div>
<div id="categories">
@{ Html.RenderAction("Menu", "MenuItems"); }
</div>
<div id="content">
@RenderBody()
</div>
</body>
</html>
@{Html.RenderAction(“摘要”、“购物车”);}
蛋糕
@{Html.RenderAction(“菜单”、“菜单项”);}
@RenderBody()
您要做的是返回一个局部视图,它将被放置在“mydiv”中,这是您的更新目标id
需要修改操作方法以返回PartialView,而不是ActionResult:
public PartialViewResult AddToCart(Cart cart, int id, int quantity = 1)
{
// Inside this action method, you don't want to return a redirect to action,
// you want to return partial view
return PartialView(); // This has three constructors, so you'll need to do a bit of digging.
}
//结块控制器
namespace WebUI.Controllers
{
public class CakeController : Controller
{
public int PageSize = 4;
private ICakeRepository repository;
public CakeController(ICakeRepository cakeRepository)
{
repository = cakeRepository;
}
public FileContentResult GetImage(int id)
{
Cake prod = repository.Cakes.FirstOrDefault(p => p.Id == id);
if (prod != null)
return File(prod.ImageData, prod.ImageMimeType);
else
return null;
}
public ActionResult OnlineShop(string regions, int page = 1)
{
CakesListViewModel viewModel = new CakesListViewModel
{
Cakes = repository.Cakes
.Where(p => regions == null || p.Name.Trim() == regions),
PagingInfo = new PagingInfo
{
CurrentPage = page,
ItemsPerPage = PageSize,
TotalItems = 1
},
CurrentCategory = "category"
};
return View("OnlineShop", viewModel);
}
}
}
namespace WebUI.Controllers
{
public class CartController : Controller
{
private ICakeRepository repository;
private IOrderProcessor orderProcessor;
public CartController(ICakeRepository repo, IOrderProcessor proc)
{
repository = repo;
orderProcessor = proc;
}
public ActionResult AddToCart(Cart cart, int id, int quantity = 1)
{
Cake cake = repository.Cakes.FirstOrDefault(p => p.Id == id);
if (cake != null)
cart.AddItem(cake, quantity);
return RedirectToAction("OnlineShop", "Cake");
}
public ActionResult RemoveFromCart(Cart cart, int id)
{
Cake cake = repository.Cakes.FirstOrDefault(p => p.Id == id);
if (cake != null)
cart.RemoveLine(cake);
return RedirectToAction("Index", "Cart");
}
public ViewResult Index(Cart cart, string returnUrl)
{
return View(new CartIndexViewModel
{
Cart = cart,
ReturnUrl = returnUrl
});
}
public ViewResult Summary(Cart cart)
{
return View(cart);
}
}
}
//OnlineShop.cshtml
@model WebUI.Models.CakesListViewModel
@{
ViewBag.Title = "Cakes";
}
@foreach (var p in Model.Cakes) {
Html.RenderPartial("CakesList", p);
}
//CakesList.cshtml
@model Domain.Entities.Cake
<div>
@if (Model.ImageData != null) {
<div style="float:left;margin-right:20px">
<img width="75" height="75" src="@Url.Action("GetImage", "Cake", new { Model.Id })" />
</div>
}
<b>@Model.Name<br />
@Model.Price</b><br />
@Model.Description
@using (Html.BeginForm("AddToCart", "Cart"))
{
@Html.HiddenFor(x => x.Id)
@Html.TextBox("quantity", "", new { style = "width: 20px; text-align: center" })
<input type="image" src="../Images/basket.jpg" />
}
</div>
@model Domain.Entities.Cake
@if (Model.ImageData != null) {
<div style="float:left;margin-right:20px">
<img width="75" height="75" src="@Url.Action("GetImage", "Cake", new { Model.Id })" />
</div>
}
<b>@Model.Name<br />
@Model.Price</b><br />
@Model.Description
@using (Ajax.BeginForm("AddToCart", "Cart", new AjaxOptions { HttpMethod = "Get", InsertionMode = InsertionMode.Replace, UpdateTargetId = "mydiv" }))
{
@Html.HiddenFor(x => x.Id)
@Html.TextBox("quantity", "", new { style = "width: 20px; text-align: center" })
<input type="image" src="../Images/basket.jpg" />
}
//Summary.cshtml
@model Domain.Entities.Cart
@{
Layout = null;
string str = String.Format("{0}", Model.ComputeTotalValue());
}
<div id="cart">
<p>
<img src="../Images/basket.jpg" />
<div id="mydiv">@Html.ActionLink(str, "Index")</div>
</p>
</div>
@model Domain.Entities.Cart
@{
布局=空;
string str=string.Format(“{0}”,Model.ComputeTotalValue());
}
@Html.ActionLink(str,“索引”)
谢谢您的回答。请在第二个答案中找到我的变化。请帮忙。谢谢你愿意和准备帮助我。它工作得很好。:)