C# 传递两个模型查看
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pass two models to view
提问by Arif YILMAZ
I am new to mvc and try to learn it by doing a small project with it. I have a page which is supposed to display that specific date's currencies and weather. so I should pass currencies model and weather model. I have done to pass currencies model and works fine but I dont know how to pass the second model. And most of the tutorials on the shows how to pass only one model.
我是 mvc 的新手，并尝试通过用它做一个小项目来学习它。我有一个页面应该显示该特定日期的货币和天气。所以我应该通过货币模型和天气模型。我已经完成了通过货币模型并且工作正常，但我不知道如何通过第二个模型。并且大多数教程都展示了如何只通过一个模型。
can you guys give an idea how to do it.
你们可以给一个想法如何做到这一点。
this is my current controller action which sends currency model
这是我当前发送货币模型的控制器操作
public ActionResult Index(int year,int month,int day)
{
var model = from r in _db.Currencies
where r.date == new DateTime(year,month,day)
select r;
return View(model);
}
采纳答案by Kirill Bestemyanov
You can create special viewmodel that contains both models:
您可以创建包含两个模型的特殊视图模型：
public class CurrencyAndWeatherViewModel
{
public IEnumerable<Currency> Currencies{get;set;}
public Weather CurrentWeather {get;set;}
}
and pass it to view.
并传递给查看。
public ActionResult Index(int year,int month,int day)
{
var currencies = from r in _db.Currencies
where r.date == new DateTime(year,month,day)
select r;
var weather = ...
var model = new CurrencyAndWeatherViewModel {Currencies = currencies.ToArray(), CurrentWeather = weather};
return View(model);
}
回答by Justin Bicknell
It sounds like you could use a model that is specific to this view.
听起来您可以使用特定于此视图的模型。
public class MyViewModel{
public List<Currencies> CurrencyList {get;set;}
}
and then from your controller you could pass this new View Model into the view instead:
然后从您的控制器中，您可以将这个新的视图模型传递到视图中：
public ActionResult Index(int year,int month,int day)
{
var model = from r in _db.Currencies
where r.date == new DateTime(year,month,day)
select r;
return View(new MyViewModel { CurrencyList = model.ToList() });
}
You can than just add more properties to your view model which contain any other models (Weather model) and set them appropriately.
您不仅可以向包含任何其他模型（天气模型）的视图模型添加更多属性并适当地设置它们。
回答by nesimtunc
You have to create a new model which has to contain the whole objects that you want to pass it to view. You should create a model (class, object) which inherits the base model (class, object).
您必须创建一个新模型，该模型必须包含要传递给视图的整个对象。您应该创建一个继承基础模型（类、对象）的模型（类、对象）。
And other suggestion you may send objects (models) via View["model1"] and View["model2"] or just an array that contains objects to pass it and cast them inside the view which I don't advise .
和其他建议，您可以通过 View["model1"] 和 View["model2"] 或仅包含对象的数组发送对象（模型）以传递它并将它们投射到我不建议的视图中。
