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Asp.net mvc 数据已存在,但无法显示_Asp.net Mvc_Asp.net Mvc 3 - Fatal编程技术网

Asp.net mvc 数据已存在,但无法显示

Asp.net mvc 数据已存在,但无法显示,asp.net-mvc,asp.net-mvc-3,Asp.net Mvc,Asp.net Mvc 3,我有一个JSON函数来返回以下数据,这正是我所期望的: [{"ShowId":1,"Title":"The Forresters Axe","Date":"\/Date(1339714800000)\/","Time":{"Hours":19,"Minutes":0,"Seconds":0,"Milliseconds":0,"Ticks":684000000000,"Days":0,"TotalDays":0.79166666666666663,"TotalHours":19,"TotalMil

我有一个JSON函数来返回以下数据,这正是我所期望的:

[{"ShowId":1,"Title":"The Forresters Axe","Date":"\/Date(1339714800000)\/","Time":{"Hours":19,"Minutes":0,"Seconds":0,"Milliseconds":0,"Ticks":684000000000,"Days":0,"TotalDays":0.79166666666666663,"TotalHours":19,"TotalMilliseconds":68400000,"TotalMinutes":1140,"TotalSeconds":68400}}]
但是当我试图在查看页面上显示标题时,我遇到了问题。这是查看页面代码:

<table> @foreach (var showList in Model) {<tr><td>@showList.Title</td></tr>}<.table>
我得到的错误是:

代码未处理RuntimeBinderException

“object”不包含标题的定义,该标题的表达式为new{…},您正在创建的视图基本上不支持将其作为模型传递到视图方法中

有几个变通办法:

但最简单的解决方案是创建一个保存数据的viewmodel:

public class CheckAvailViewModel
{
    public int ShowId { get; set; }
    public string Title { get; set; }
    public DateTime Date { get; set; }
    public DateTime Time { get; set; }
}
并从查询中返回以下内容:

var showList = from r in db.Runs
                     // ...
                     select new CheckAvailViewModel
                     {
                         ShowId = r.ShowId,
                         Title = s.Title,
                         Date = r.Date,
                         Time = r.Time
                     };
return View(showList.ToArray());
var showList = from r in db.Runs
                     // ...
                     select new CheckAvailViewModel
                     {
                         ShowId = r.ShowId,
                         Title = s.Title,
                         Date = r.Date,
                         Time = r.Time
                     };
return View(showList.ToArray());