MVC 4在Visual Studio上運行良好，但在iis上顯示運行時erron。 Model is null

我的asp MVC應用程序在Visual Studio上運行良好。但是當在服務器上託管它時顯示運行時錯誤。錯誤是因爲模型爲空。但model => model.Service正在獲取值。MVC 4在Visual Studio上運行良好，但在iis上顯示運行時erron。 Model is null

Error 
Line 86:   </div> 
Line 87:   <div class="editor-field"> 
Line 88:    @if (Model.ServiceIsLimitToList) 
Line 89:    { 
Line 90:

在Visual Studio ifs工作正常，但在IIS上運行時顯示錯誤。該錯誤是因爲在iis上運行時模型爲空。

以下是代碼

型號

public class WorkOrderCreateViewModel : ViewModel 
{ 
    [Required] 
    [Display(Name = "Service")] 
    public string Service { get; set; } 
    [Required] 
    [Display(Name = "Property")] 
    public string Property { get; set; } 

    [Display(Name = "Asset Group")] 
    public string AssetGroup { get; set; } 

    public bool ServiceIsLimitToList { get; set; } 



    public List<PropertiesList> Properties { get; set; } 

    public List<AssetGroupList> AssetGroups { get; set; } 

    public List<ServiceList> ServiceLists { get; set; } 
}

控制器

public class WorkOrderController : MobileWebControllerBase 
{ 

    public ActionResult Create() 
    { 

     try 
     { 
      this.EnsureSessionNotExpired(); 

      var db = new DataAccess(this.GetConnectionString()); 
      ViewModel.WorkOrderCreateViewModel viewModel = new ViewModel.WorkOrderCreateViewModel(); 
      viewModel.ServiceIsLimitToList = int.Parse(this.GetSystemOption("WODefaults", "ServiceLimitToList", conn)) != 0; 
      viewModel.Properties = this.GetProperties(); 
      viewModel.AssetGroups = this.GetAssetGroup(); 
      viewModel.ServiceLists = this.GetServices(); 


      return View(viewModel); 
     } 
     catch (Exception ex) 
     { 
      return HandleException(ex); 
     } 
    }

}

查看

@model WorkorderMobileMvc.ViewModel.WorkOrderCreateViewModel 

@using (Html.BeginForm()) { 
    @Html.AntiForgeryToken() 
    @Html.ValidationSummary(true) 

    <fieldset> 
     <p> 
      <strong>New WO</strong>&nbsp; 
      @Html.ActionLink("Home", "Index")&nbsp; 
      <a href="@Url.Content(" ~ />Content/Help.htm")" target="_blank">Help</a> 
     </p> 

     <div class="editor-label-dll"> 
      @Html.LabelFor(model => model.ServiceLists) 
     </div> 
     <div class="editor-field"> 
      @if (Model.ServiceIsLimitToList) 
      { 

      @Html.TextAreaFor(model => model.Service, new { @class = "txt", id = "Service" }) 
      } 
      else 
      { 
      @Html.DropDownListFor(x => x.Service, new SelectList(Model.ServiceLists, "Services", "Services", Model.Service), "---Select Service---", new { Class = "field size3", id = "ddlService" }) 
      @Html.ValidationMessageFor(model => model.Service) 
      } 

     </div> 

     <div class="editor-label-dll"> 
      @Html.LabelFor(model => model.Property) 
     </div> 
     <div class="editor-field"> 
      @Html.DropDownListFor(x => x.Property, new SelectList(Model.Properties, "Propertie", "Propertie", Model.Property), "---Select Property---", new { Class = "field size3", id = "ddlProperty" }) 
      @Html.ValidationMessageFor(model => model.Property) 
     </div> 


     <div class="editor-label-dll"> 
      @Html.LabelFor(model => model.AssetGroup) 
     </div> 
     <div class="editor-field"> 
      @Html.DropDownListFor(x => x.AssetGroup, new SelectList(Model.AssetGroups, "AssetGroup", "AssetGroup", Model.AssetGroups), "---Select Asset Group---", new { Class = "field size3", id = "ddlAssetGroup" }) 

     </div> 


     <div style="clear:left"></div> 
     <p> 
      <input type="submit" value="Create" /> 
     </p> 
    </fieldset> 
} 

<div> 
    @Html.ActionLink("Back to List", "Index") 
</div>

來源

2013-11-27 user3042107

你確定這不是打，因爲有些異常的catch塊？ – Shyju

您是否驗證過這條線，就在您的線路上方工作？ @ Html.LabelFor（model => model.ServiceLists） – ganders

您需要在您的視圖模型使用的，在最高層是這樣的指定：

@model WorkOrderCreateViewModel

來源

2013-11-27 14:58:54 ganders

它是如何在Visual Studio上運行的呢？ – Shyju

是的，我已經@model WorkorderMobileMvc.ViewModel.WorkOrderCreateViewModel – user3042107

請讓我知道這個問題的任何解決方案 – user3042107

MVC 4在Visual Studio上運行良好，但在iis上顯示運行時erron。 Model is null

回答

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