我有以下 MVC2 视图,它使用视图模型进行强类型化,视图模型包含一个数据库表中的值列表,我需要在视图中显示第二个表中的单个值,这是我的视图代码
<%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<CustomerDatabase.WebUI.Models.CustomerSitesListViewModel> " %>
<asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server">
Customer Sites
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
<% foreach (var customerSite in Model.CustomerSites) { %>
<% Html.RenderPartial("CustomerSiteSummary", customerSite); %>
<%} %>
</asp:Content>
这是视图模型,请注意我在视图模型中包含了一个客户成员,因为除了客户站点列表之外,我还想显示客户名称
namespace CustomerDatabase.WebUI.Models
{
public class CustomerSitesListViewModel
{
public IList<CustomerSite> CustomerSites { get; set; }
public PagingInfo PagingInfo { get; set; }
public Customer customer { get; set; }
}
}
这是我的视图控制器代码
public ViewResult List([DefaultValue(1)] int page)
{
var customerSitesToShow = customerSiteRepository.CustomerSites;
var viewModel = new CustomerSitesListViewModel
{
CustomerSites = customerSitesToShow.Skip((page - 1) * PageSize).Take(PageSize).ToList(),
PagingInfo = new PagingInfo
{
CurrentPage = page,
ItemsPerPage = PageSize,
TotalItems = customerSitesToShow.Count()
}
};
return View(viewModel); //Passed to view as ViewData.Model (or simply model)
}
这是我呈现列表的部分视图,
<%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<CustomerDatabase.Domain.Entities.CustomerSite>" %>
<div class="item">
<div class="customer-list-item">
<h2><%:Model.customer.CustomerName%></h2>
<%: Model.AddressLine1 %>
<%: Model.AddressLine2%>
虽然智能感知让我从视图中访问客户对象
<h2><%:Model.customer.CustomerName%></h2>
当我导航到视图时引发错误,
你调用的对象是空的。源错误:
Line 7: <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
Line 8: <% foreach (var customerSite in Model.CustomerSites) { %>
Line 9: <%:Model.customer.CustomerName%>
Line 10: <% Html.RenderPartial("CustomerSiteSummary", customerSite); %>
Line 11: <%}
我认为错误是由于视图呈现列表,我尝试将 viewmodel 成员更改为
public IList<Customer> {get; set;}
但这也不起作用。
任何人都可以提出一种方法我可以实现这一目标或提供任何关于我哪里出错的建议这是一个我在下班后无法解决或在互联网上研究的问题?