实体类型<class>不是当前上下文</class>的模型的一部分

时间：2012-12-13 16:23:47

标签： entity-framework entity-framework-4.1 entity ef-model-first

这是MODEL的第一种方法。我已经对此进行了大量研究，但没有得出答案。我已经尝试了以下链接中的所有建议：

这似乎是同样的问题，但没有解决方案 The entity type <classname> is not part of the model for the current context

这些是我已经研究过的链接所以请不要回复---- EF 4.1 Code First error - The entity type SomeType is not part of the model for the current context The entity type is not part of the model, EF 5

这是EDMX（简称简称）：

<?xml version="1.0" encoding="utf-8"?>
<edmx:Edmx Version="2.0" xmlns:edmx="http://schemas.microsoft.com/ado/2008/10/edmx">
<!-- EF Runtime content -->
<edmx:Runtime>
<!-- SSDL content -->
<edmx:StorageModels>
<Schema Namespace="Insight_Model.Store" Alias="Self" Provider="System.Data.SqlClient"    ProviderManifestToken="2008" xmlns:store="http://schemas.microsoft.com/ado/2007/12/edm/EntityStoreSchemaGenerator" xmlns="http://schemas.microsoft.com/ado/2009/02/edm/ssdl">
    <EntityContainer Name="Insight_ModelStoreContainer">
      <EntitySet Name="vwCompanyHeader" EntityType="Insight_Model.Store.vwCompanyHeader" store:Type="Views" store:Schema="dbo" store:Name="vwCompanyHeader">
        <DefiningQuery>SELECT 
  [vwCompanyHeader].[ID] AS [ID], 
  [vwCompanyHeader].[Name] AS [Name], 
  [vwCompanyHeader].[Active] AS [Active], 
  [vwCompanyHeader].[Creator] AS [Creator], 
  [vwCompanyHeader].[Created] AS [Created], 
  [vwCompanyHeader].[Modifier] AS [Modifier], 
  [vwCompanyHeader].[Modified] AS [Modified]
  FROM [dbo].[vwCompanyHeader] AS [vwCompanyHeader]</DefiningQuery>
      </EntitySet>
      <EntitySet Name="vwWorkOrderHeader" EntityType="Insight_Model.Store.vwWorkOrderHeader" store:Type="Views" store:Schema="dbo" store:Name="vwWorkOrderHeader">
        <DefiningQuery>SELECT 
  [vwWorkOrderHeader].[ID] AS [ID], 
  [vwWorkOrderHeader].[Active] AS [Active], 
  [vwWorkOrderHeader].[Name] AS [Name], 
  [vwWorkOrderHeader].[Creator] AS [Creator], 
  [vwWorkOrderHeader].[Created] AS [Created], 
  [vwWorkOrderHeader].[Modifier] AS [Modifier], 
  [vwWorkOrderHeader].[Modified] AS [Modified], 
  [vwWorkOrderHeader].[Leader] AS [Leader], 
  [vwWorkOrderHeader].[LeadTakenDate] AS [LeadTakenDate], 
  [vwWorkOrderHeader].[ProjectID] AS [ProjectID], 
  [vwWorkOrderHeader].[ProjectName] AS [ProjectName], 
  [vwWorkOrderHeader].[WorkOrderStatus] AS [WorkOrderStatus], 
  [vwWorkOrderHeader].[WorkOrderSubStatus] AS [WorkOrderSubStatus], 
  [vwWorkOrderHeader].[WorkOrderType] AS [WorkOrderType], 
  [vwWorkOrderHeader].[WorkOrderSubType] AS [WorkOrderSubType], 
  [vwWorkOrderHeader].[WorkOrderPriority] AS [WorkOrderPriority], 
  [vwWorkOrderHeader].[RefNumber] AS [RefNumber], 
  [vwWorkOrderHeader].[Request] AS [Request]
  FROM [dbo].[vwWorkOrderHeader] AS [vwWorkOrderHeader]</DefiningQuery>
      </EntitySet>
    </EntityContainer>
    <EntityType Name="vwCompanyHeader">
      <Key>
        <PropertyRef Name="ID" />
      </Key>
      <Property Name="ID" Type="int" Nullable="false" />
      <Property Name="Name" Type="varchar" Nullable="false" MaxLength="50" />
      <Property Name="Active" Type="bit" Nullable="false" />
      <Property Name="Creator" Type="varchar" Nullable="false" MaxLength="51" />
      <Property Name="Created" Type="date" Nullable="false" />
      <Property Name="Modifier" Type="varchar" Nullable="false" MaxLength="51" />
      <Property Name="Modified" Type="date" Nullable="false" />
    </EntityType>
    <EntityType Name="vwWorkOrderHeader">
      <Key>
        <PropertyRef Name="ID" />
      </Key>
      <Property Name="ID" Type="int" Nullable="false" />
      <Property Name="Active" Type="bit" Nullable="false" />
      <Property Name="Name" Type="varchar" Nullable="false" MaxLength="15" />
      <Property Name="Creator" Type="varchar" Nullable="false" MaxLength="51" />
      <Property Name="Created" Type="date" Nullable="false" />
      <Property Name="Modifier" Type="varchar" Nullable="false" MaxLength="51" />
      <Property Name="Modified" Type="date" Nullable="false" />
      <Property Name="Leader" Type="varchar" Nullable="false" MaxLength="51" />
      <Property Name="LeadTakenDate" Type="date" Nullable="false" />
      <Property Name="ProjectID" Type="int" Nullable="false" />
      <Property Name="ProjectName" Type="varchar" Nullable="false" MaxLength="15" />
      <Property Name="WorkOrderStatus" Type="varchar" Nullable="false" MaxLength="35" />
      <Property Name="WorkOrderSubStatus" Type="varchar" Nullable="false" MaxLength="35" />
      <Property Name="WorkOrderType" Type="varchar" Nullable="false" MaxLength="35" />
      <Property Name="WorkOrderSubType" Type="varchar" Nullable="false" MaxLength="35" />
      <Property Name="WorkOrderPriority" Type="varchar" Nullable="false" MaxLength="35" />
      <Property Name="RefNumber" Type="varchar" Nullable="false" MaxLength="25" />
      <Property Name="Request" Type="varchar" Nullable="false" MaxLength="1500" />
    </EntityType>
  </Schema></edmx:StorageModels>
<!-- CSDL content -->
<edmx:ConceptualModels>
  <Schema Namespace="Insight_Model" Alias="Self" xmlns:annotation="http://schemas.microsoft.com/ado/2009/02/edm/annotation" xmlns="http://schemas.microsoft.com/ado/2008/09/edm">
    <EntityContainer Name="Insight_Entities" annotation:LazyLoadingEnabled="false">
      <EntitySet Name="CompanyHeaders" EntityType="Insight_Model.CompanyHeader" />
      <EntitySet Name="WorkOrderHeaders" EntityType="Insight_Model.WorkOrderHeader" />
    </EntityContainer>
    <EntityType Name="CompanyHeader">
      <Key>
        <PropertyRef Name="ID" />
      </Key>
      <Property Type="String" Name="Name" MaxLength="50" FixedLength="false" Unicode="false" Nullable="false" />
      <Property Type="Boolean" Name="Active" Nullable="false" />
      <Property Type="String" Name="Creator" Nullable="false" MaxLength="51" FixedLength="false" Unicode="false" />
      <Property Type="DateTime" Name="Created" Nullable="false" />
      <Property Type="String" Name="Modifier" Nullable="false" MaxLength="51" FixedLength="false" Unicode="false" />
      <Property Type="DateTime" Name="Modified" Nullable="false" />
      <Property Type="Int32" Name="ID" Nullable="false" />
    </EntityType>
    <EntityType Name="WorkOrderHeader">
      <Key>
        <PropertyRef Name="ID" />
      </Key>
      <Property Type="Int32" Name="ID" Nullable="false" />
      <Property Type="Boolean" Name="Active" Nullable="false" />
      <Property Type="String" Name="Name" Nullable="false" MaxLength="15" FixedLength="false" Unicode="false" />
      <Property Type="String" Name="Creator" Nullable="false" MaxLength="51" FixedLength="false" Unicode="false" />
      <Property Type="DateTime" Name="Created" Nullable="false" />
      <Property Type="String" Name="Modifier" Nullable="false" MaxLength="51" FixedLength="false" Unicode="false" />
      <Property Type="DateTime" Name="Modified" Nullable="false" />
      <Property Type="String" Name="Leader" Nullable="false" MaxLength="51" FixedLength="false" Unicode="false" />
      <Property Type="DateTime" Name="LeadTakenDate" Nullable="false" />
      <Property Type="Int32" Name="ProjectID" Nullable="false" />
      <Property Type="String" Name="ProjectName" Nullable="false" MaxLength="15" FixedLength="false" Unicode="false" />
      <Property Type="String" Name="WorkOrderStatus" Nullable="false" MaxLength="35" FixedLength="false" Unicode="false" />
      <Property Type="String" Name="WorkOrderSubStatus" Nullable="false" MaxLength="35" FixedLength="false" Unicode="false" />
      <Property Type="String" Name="WorkOrderType" Nullable="false" MaxLength="35" FixedLength="false" Unicode="false" />
      <Property Type="String" Name="WorkOrderSubType" Nullable="false" MaxLength="35" FixedLength="false" Unicode="false" />
      <Property Type="String" Name="WorkOrderPriority" Nullable="false" MaxLength="35" FixedLength="false" Unicode="false" />
      <Property Type="String" Name="RefNumber" MaxLength="25" Nullable="false" FixedLength="false" Unicode="false" />
      <Property Type="String" Name="Request" Nullable="false" MaxLength="1500" FixedLength="false" Unicode="false" />
    </EntityType>
    </Schema>
</edmx:ConceptualModels>
<!-- C-S mapping content -->
<edmx:Mappings>
  <Mapping Space="C-S" xmlns="http://schemas.microsoft.com/ado/2008/09/mapping/cs">
    <EntityContainerMapping StorageEntityContainer="Insight_ModelStoreContainer" CdmEntityContainer="Insight_Entities">
      <EntitySetMapping Name="CompanyHeaders">
        <EntityTypeMapping TypeName="Insight_Model.CompanyHeader">
          <MappingFragment StoreEntitySet="vwCompanyHeader">
            <ScalarProperty Name="ID" ColumnName="ID" />
            <ScalarProperty Name="Modified" ColumnName="Modified" />
            <ScalarProperty Name="Modifier" ColumnName="Modifier" />
            <ScalarProperty Name="Created" ColumnName="Created" />
            <ScalarProperty Name="Creator" ColumnName="Creator" />
            <ScalarProperty Name="Active" ColumnName="Active" />
            <ScalarProperty Name="Name" ColumnName="Name" />
          </MappingFragment>
        </EntityTypeMapping>
      </EntitySetMapping>
      <EntitySetMapping Name="WorkOrderHeaders">
        <EntityTypeMapping TypeName="Insight_Model.WorkOrderHeader">
          <MappingFragment StoreEntitySet="vwWorkOrderHeader">
            <ScalarProperty Name="Request" ColumnName="Request" />
            <ScalarProperty Name="RefNumber" ColumnName="RefNumber" />
            <ScalarProperty Name="WorkOrderPriority" ColumnName="WorkOrderPriority" />
            <ScalarProperty Name="WorkOrderSubType" ColumnName="WorkOrderSubType" />
            <ScalarProperty Name="WorkOrderType" ColumnName="WorkOrderType" />
            <ScalarProperty Name="WorkOrderSubStatus" ColumnName="WorkOrderSubStatus" />
            <ScalarProperty Name="WorkOrderStatus" ColumnName="WorkOrderStatus" />
            <ScalarProperty Name="ProjectName" ColumnName="ProjectName" />
            <ScalarProperty Name="ProjectID" ColumnName="ProjectID" />
            <ScalarProperty Name="LeadTakenDate" ColumnName="LeadTakenDate" />
            <ScalarProperty Name="Leader" ColumnName="Leader" />
            <ScalarProperty Name="Modified" ColumnName="Modified" />
            <ScalarProperty Name="Modifier" ColumnName="Modifier" />
            <ScalarProperty Name="Created" ColumnName="Created" />
            <ScalarProperty Name="Creator" ColumnName="Creator" />
            <ScalarProperty Name="Name" ColumnName="Name" />
            <ScalarProperty Name="Active" ColumnName="Active" />
            <ScalarProperty Name="ID" ColumnName="ID" />
          </MappingFragment>
        </EntityTypeMapping>
      </EntitySetMapping>
      </EntityContainerMapping>
  </Mapping>
</edmx:Mappings>

存储库代码：

Imports System.Linq.Expressions
Imports System.Data.Entity.Infrastructure
Imports System.Data.Entity

Public Class Repository(Of T As {Class, IEntity})
Implements IRepository(Of T)

#Region "Attributes"
Private objectContext As IDatabaseContext
Protected objectSet As IDbSet(Of T)
#End Region

Public Sub New(objContext As IDatabaseContext)
    objectContext = objContext
    objectSet = objectContext.Set(Of T)()
End Sub
Public Function FindAll() As IQueryable(Of T) Implements IRepository(Of T).FindAll
    Return objectSet
End Function

Public Function FindWhere(predicate As Expressions.Expression(Of System.Func(Of T, Boolean))) As System.Linq.IQueryable(Of T) Implements Interfaces.IRepository(Of T).FindWhere
    Return objectSet.Where(predicate)
End Function

Public Function FindById(id As Integer) As T Implements IRepository(Of T).FindById
    Return objectSet.Single(Function(o) o.ID = id)
End Function

Public Sub Add(newEntity As T) Implements IRepository(Of T).Add
    objectSet.Add(newEntity)
End Sub

Public Sub Remove(entity As T) Implements IRepository(Of T).Remove
    objectSet.Remove(entity)
End Sub

Public Function Count(Optional predicate As Expression(Of Func(Of T, Boolean)) = Nothing) As Integer Implements IRepository(Of T).Count
    Return If((predicate Is Nothing), objectSet.Count, objectSet.Where(predicate).Count)
End Function

Public Function Exist(Optional predicate As Expression(Of Func(Of T, Boolean)) = Nothing) As Boolean Implements IRepository(Of T).Exist
    Return If((predicate Is Nothing), objectSet.Any, objectSet.Where(predicate).Any)
End Function
End Class

DatabaseContext代码：

Imports System.Data.Entity
Imports Insight.DataLayer.Interfaces
Imports System.Data.Objects
Imports System.Configuration

Public Class DatabaseContext
Inherits DbContext
Implements IDatabaseContext

Const defaultConnectStringName = "Insight_Entities"

Public Sub New()
     Me.New(ConfigurationManager.ConnectionStrings(defaultConnectStringName).ConnectionString)
End Sub
Public Sub New(connectionString As String)
    MyBase.New(connectionString)
    MyBase.Configuration.LazyLoadingEnabled = False
    MyBase.Configuration.ProxyCreationEnabled = False
End Sub
Public Overloads Sub SaveChanges() Implements Interfaces.IDatabaseContext.SaveChanges
    MyBase.SaveChanges()
End Sub

Public Overloads Function [Set](Of T As Class)() As System.Data.Entity.IDbSet(Of T) Implements Interfaces.IDatabaseContext.Set
    Return MyBase.Set(Of T)()
End Function
End Class

和2个类文件：

WorkOrderHeader：

Imports System.ComponentModel.DataAnnotations
Imports System.Collections.ObjectModel
Imports System.Runtime.Serialization
Imports System.Data.Services.Common

Partial Public Class WorkOrderHeader
Inherits DataTransferObjectHeaderBase

Public Sub New()

End Sub
Public Sub New(iID As Integer, sName As String, bActive As Boolean, sCreator As String, dtCreated As DateTime, sModifier As String, dtModified As DateTime, sLeader As String, dtLeadTaken As Date, iProjectID As Integer, sProjectName As String, sWorkOrderStatus As String, sWorkOrderSubStatus As String, sWorkOrderType As String, sWorkOrderSubType As String, sWorkOrderPriority As String, sRequest As String)
    Me.New(iID, sName, bActive, sCreator, dtCreated, sModifier, dtModified, sLeader, dtLeadTaken, iProjectID, sProjectName, sWorkOrderStatus, sWorkOrderSubStatus, sWorkOrderType, sWorkOrderSubType, sWorkOrderPriority, "", sRequest)
End Sub
Public Sub New(iID As Integer, sName As String, bActive As Boolean, sCreator As String, dtCreated As DateTime, sModifier As String, dtModified As DateTime, sLeader As String, dtLeadTaken As Date, iProjectID As Integer, sProjectName As String, sWorkOrderStatus As String, sWorkOrderSubStatus As String, sWorkOrderType As String, sWorkOrderSubType As String, sWorkOrderPriority As String, sRefNumber As String, sRequest As String)
    ID = iID
    Name = sName
    Active = bActive
    Creator = sCreator
    Created = dtCreated
    Modifier = sModifier
    Modified = dtModified
    Leader = sLeader
    LeadTaken = dtLeadTaken
    ProjectID = iProjectID
    ProjectName = sProjectName
    WorkOrderStatus = sWorkOrderStatus
    WorkOrderSubStatus = sWorkOrderSubStatus
    WorkOrderType = sWorkOrderType
    WorkOrderSubType = sWorkOrderSubType
    WorkOrderPriority = sWorkOrderPriority
    RefNumber = sRefNumber
    Request = sRequest
End Sub

<DataMember()> _
Public Property Leader() As String
    Get
        Return _leader
    End Get
    Set(value As String)
        _leader = value
    End Set
End Property
Private _leader As String

<DataMember()> _
Public Property LeadTaken() As Date
    Get
        Return _leadTaken
    End Get
    Set(value As Date)
        _leadTaken = value
    End Set
End Property
Private _leadTaken As Date

<DataMember()> _
Public Property ProjectID() As Int32
    Get
        Return _projectID
    End Get
    Set(value As Int32)
        If (_projectID <> value) Then
            _projectID = value
        End If
    End Set
End Property
Private _projectID As Int32

<DataMember()> _
Public Property ProjectName() As String
    Get
        Return _projectName
    End Get
    Set(value As String)
        If (_projectName <> value) Then
            _projectName = value
        End If
    End Set
End Property
Private _projectName As String

<DataMember()> _
Public Property WorkOrderStatus() As String
    Get
        Return _workOrderStatus
    End Get
    Set(value As String)
        _workOrderStatus = value
    End Set
End Property
Private _workOrderStatus As String

<DataMember()> _
Public Property WorkOrderSubStatus() As String
    Get
        Return _workOrderSubStatus
    End Get
    Set(value As String)
        _workOrderSubStatus = value
    End Set
End Property
Private _workOrderSubStatus As String

<DataMember()> _
Public Property WorkOrderType() As String
    Get
        Return _workOrderType
    End Get
    Set(value As String)
        _workOrderType = value
    End Set
End Property
Private _workOrderType As String

<DataMember()> _
Public Property WorkOrderSubType() As String
    Get
        Return _workOrderSubType
    End Get
    Set(value As String)
        _workOrderSubType = value
    End Set
End Property
Private _workOrderSubType As String

<DataMember()> _
Public Property WorkOrderPriority() As String
    Get
        Return _workOrderPriority
    End Get
    Set(value As String)
        _workOrderPriority = value
    End Set
End Property
Private _workOrderPriority As String

<DataMember()> _
Public Property RefNumber() As String
    Get
        Return _refNumber
    End Get
    Set(value As String)
        _refNumber = value
    End Set
End Property
Private _refNumber As String

<DataMember()> _
Public Property Request() As String
    Get
        Return _request
    End Get
    Set(value As String)
        _request = value
    End Set
End Property
Private _request As String

End Class
#End Region

CompanyHeader：

Imports System.ComponentModel.DataAnnotations
Imports System.Collections.ObjectModel
Imports System.Runtime.Serialization
Imports System.Data.Services.Common


<DataServiceKey("ID")> _
<MetadataTypeAttribute(GetType(CompanyHeader.CompanyHeaderMetadata))> _
Partial Public Class CompanyHeader
Inherits DataTransferObjectHeaderBase

Friend NotInheritable Class CompanyHeaderMetadata

    'Metadata classes are not meant to be instantiated.
    Private Sub New()
        MyBase.New()
    End Sub

    <DataMember()> _
    Public Property Active As Boolean

    <DataMember()> _
    Public Property ID As Integer

    <DataMember()> _
    Public Property Created As DateTime

    <DataMember()> _
    Public Property Creator As String

    <DataMember()> _
    Public Property Modified As DateTime

    <DataMember()> _
    Public Property Modifier As String

    <DataMember()> _
    Public Property Name As String
End Class

Public Sub New()

End Sub
Public Sub New(iID As Integer, sName As String, bActive As Boolean, sCreator As String, dtCreated As DateTime, sModifier As String, dtModified As DateTime)
    ID = iID
    Name = sName
    Active = bActive
    Creator = sCreator
    Created = dtCreated
    Modifier = sModifier
    Modified = dtModified
End Sub
End Class

单元测试代码：

<TestMethod()> _
Public Sub WorkOrderServiceTests_TestConnectivityThruService5()
    Dim woService As New DatabaseContext
    Dim woHeaders = New Repository(Of WorkOrderHeader)(woService)
    Dim woTests = New Repository(Of WorkOrderTest)(woService)
    Dim coHeaders = New Repository(Of CompanyHeader)(woService)
    Assert.IsTrue(woHeaders.Count <> 0)
End Sub

我试图解决问题的事情：

1）已检查的数据库 - 两个查询都正确返回数据。     从vwWorkOrderHeader中选择*     select * from vwCompanyHeader

2）从EDMX中删除WorkOrderHeader，然后从数据库中重新创建它。

3）MOQed出DBContext以确保它不是服务查询做一些有趣的事情。这正确地返回了对象，因此它意味着它在上下文级别或更低级别。

4）逐步完成两个测试，以确保他们使用相同的方法来构建上下文 - 你做。

4）逐步完成两个测试，以确保他们使用相同的方法来构建存储库 - 你做。

5）唯一的区别是在以下DatabaseContext函数中：

Public Overloads Function [Set](Of T As Class)() As System.Data.Entity.IDbSet(Of T) Implements Interfaces.IDatabaseContext.Set
    Return MyBase.Set(Of T)()
End Function

WorkOrderHeader代码在MyBase.Set（Of T）监视中有以下内容（）

{System.Data.Entity.DbSet(Of Insight.Model.WorkOrderHeader)} System.Data.Entity.DbSet(Of Insight.Model.WorkOrderHeader)

CompanyHeader代码在MyBase.Set（Of T）（）的监视中有以下内容

{SELECT   [Extent1].[Name] AS [Name],   [Extent1].[Active] AS [Active],   [Extent1].[Creator] AS [Creator],   [Extent1].[Created] AS [Created],   [Extent1].[Modifier] AS [Modifier],   [Extent1].[Modified] AS [Modified],   [Extent1].[ID] AS [ID]  FROM (SELECT        [vwCompanyHeader].[ID] AS [ID],        [vwCompanyHeader].[Name] AS [Name],        [vwCompanyHeader].[Active] AS [Active],        [vwCompanyHeader].[Creator] AS [Creator],        [vwCompanyHeader].[Created] AS [Created],        [vwCompanyHeader].[Modifier] AS [Modifier],        [vwCompanyHeader].[Modified] AS [Modified]       FROM [dbo].[vwCompanyHeader] AS [vwCompanyHeader]) AS [Extent1]}   System.Data.Entity.DbSet(Of Insight.Model.CompanyHeader)

我完全失去了这个，我正在进入第三天处理同样的问题。我希望对问题有一些新的看法可能会看到我所犯的错误，或者指出我正在测试我没有想到的问题。

更新：

我删除了服务代码以确保它是DBContext中的内容。我已经将服务从等式中隔离出来，因此只使用了存储库并且它们都使用相同的DatabaseContext，因此它不能与连接字符串相关。我在Insight_Model / EntityContainer下的模型浏览器中验证：Insight_Entities / Entity Sets / WorkOrderHeaders存在且Insight_Model / Entity Types / WorkOrderHeader下存在。几乎看起来似乎DatabaseContext甚至没有尝试查询实体集的概念模型。

1 个答案:

答案 0 :(得分：22)

在三（4）天之后（取决于你如何观察日子，我将我睡觉的时间分开，而不一定在太阳下降/出现时），我找到了答案。在上面的EDMX文件中，我有一个名为LeadTakenDate的列，在WorkOrderHeader类中，我使用了字段名称LeadTaken。这对我来说是一个愚蠢的错误。

这对您有什么好处？以下是我解决问题的方法：

首先，我通过MOQing出部件将问题分离到一个区域，看看问题所在的兔子洞有多远。一旦我弄清楚问题是在DatabaseContext中，我编写了一个测试用例，创建了一个工作和非工作用例。这隔离了问题并允许我测试理论以更快地解决它。在尝试使用EF 5.x持久性无知的poco发生器之前，我尝试了一千种不同的东西。我在WorkOrderHeader类中注释掉了我的所有代码并复制了生成的代码。重新检查我的测试并且它们有效，所以我开始取消注释我的属性并注释掉生成的代码然后重新运行我的测试，直到我点击相应的属性。

错误信息足够神秘，可能很难排除故障。

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