EditorTemplate中的MVC字典

我不想將字典綁定到視圖。但該模型似乎是空的。棘手的部分是，我在另一個視圖中使用視圖，我無法弄清楚我的錯誤在哪裏。EditorTemplate中的MVC字典

這裏是我到目前爲止的代碼：

第一種模式：

public class QuantityAndSize 
{ 
    private Dictionary<String, int> m_Size; 

    public decimal Quantity {get;set;} 
    public Dictionary<string,int> Size 
    { 
     get 
     { 
      return m_Size; 
     } 
     set 
     { 
      m_Size = value; 
     } 
    } 
    public int SelectedItem {get;set;} 

    public QuantityAndSize() 
    { 
     Quantity = 0; 
     m_Size = new Dictionary<string, int>(); 
     SelectedItem = 0; 
    } 
}

第二種模式

public class NewItemDeliveryModel 
{ 
    #region - member - 
    private string m_Subject; 
    private QuantityAndSize m_ShortfallQuantity; 
    #endregion 

    #region - properties 

    [Display(Name = "Betreff")] 
    public string Subject 
    { 
     get { return m_Subject; } 
     set { m_Subject = value; } 
    } 

    [Display(Name = "Fehlmenge")] 
    public QuantityAndSize ShortfallQuantity 
    { 
     get { return m_ShortfallQuantity; } 
     set { m_ShortfallQuantity = value; } 
    } 

    #endregion 

    #region - ctor - 

    public NewItemDeliveryModel() 
    { 
     m_ShortfallQuantity = new QuantityAndSize(); 
    } 

    #endregion 
}

這裏我對NewItemDeliveryModel

一個視圖

@model Web.Models.NewItemDeliveryModel 
@{ 
    ViewBag.Title = "NewItemDelivery"; 
} 

<h2>NewItemDelivery</h2> 
@using (Html.BeginForm()) 
{ 
    <div class="form-horizontal"> 
     <div class="form-group"> 
      @Html.LabelFor(model => model.Subject, new { @class = "control-label col-md-2" }) 
      <div class="col-md-10"> 
       @Html.EditorFor(model => model.Subject) 
       @Html.ValidationMessageFor(model => model.Subject) 
      </div> 
     </div> 

     <div class="form-group"> 
      @Html.LabelFor(model => model.ShortfallQuantity, new { @class = "control-label col-md-2" }) 
      <div class="col-md-10"> 
       @Html.EditorFor(model => model.ShortfallQuantity) 
       @Html.ValidationMessageFor(model => model.ShortfallQuantity) 
      </div> 
     </div> 
    </div> 
}

和View的QuantityAndSize

@model Web.Models.Structures.QuantityAndSize 

<div class="form-group"> 
    @Html.LabelFor(model => model.Quantity, new { @class = "control-label col-md-2" }) 
    <div class="col-md-10"> 
     @Html.EditorFor(model => model.Quantity) 
     @Html.ValidationMessageFor(model => model.Quantity) 
    </div> 
</div> 

<div class="form-group"> 
    @Html.LabelFor(model => model.Size, new { @class = "control-label col-md-2" }) 
    <div class="col-md-10"> 
     @Html.DropDownListFor(model => model.Size, new SelectList(Model.Size,"Key","Value"), "Sizes") //<-- Model.Size says that Model is null but i can't figure out why 
     @Html.ValidationMessageFor(model => model.Size) 
    </div> 
</div>

的問題是，我無法將字典綁定到Html.DropDownList因爲型號爲NULL。我是相當新的ASP.Net MVC和問題本身似乎很簡單，但我找不到錯誤的原因。所以我的問題是爲什麼我的模型等於Null？

BTW控制器是非常小的，但爲了完整起見，這裏談到

public class NewItemDeliveryController : Controller 
{ 
    // GET: NewItemDelivery 
    public ActionResult Index() 
    { 
     return View("NewItemDelivery"); 
    } 
}

來源

2015-12-22 Bongo

你傳遞什麼看法？ – Neel

不，我以爲模型會自動綁定@model Web.Models.Structures.QuantityAndSize – Bongo

@Bongo它會自動綁定。但你應該填寫它。像這樣：'ViewData.Model = new NewItemDeliveryModel（）;'在你的View（）調用之前。你應該在Controller中初始化你的字典。 –

在這裏，你需要你的模型傳遞到您的看法如下：

// GET: NewItemDelivery 
    public ActionResult Index() 
    { 
     var myModel = new NewItemDeliveryModel(); 
     return View("NewItemDelivery", myModel); 
    }

側面說明：從MVC 6日起，你將能夠直接注入到扶養您的看法。

來源

2015-12-22 13:46:51 Neel

好的答案，它有幫助。 – Bongo

很高興幫忙@Bongo :) – Neel

嘗試將模型傳遞到您的視圖。

public class NewItemDeliveryController : Controller 
{ 
// GET: NewItemDelivery 
public ActionResult Index() 
{ 
    var model = new NewItemDeliveryModel(){*Set your Dictionnary here*}; 
    return View("NewItemDelivery",model); 
} 
}

來源

2015-12-22 13:46:51

EditorTemplate中的MVC字典

回答

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