C# 实体框架赢得';不包括所有表
我有一组简单的3张表,EF知道它们是相关的 在我的存储库中,我执行以下操作C# 实体框架赢得';不包括所有表,c#,sql-server,entity-framework,entity-framework-6,C#,Sql Server,Entity Framework,Entity Framework 6,我有一组简单的3张表,EF知道它们是相关的 在我的存储库中,我执行以下操作 var result = localContext.LexiconTerms.Include(i=>i.Locale).Include(i=>i.Lexicon) 当我检查结果时,词典总是填充的,区域设置总是null 现在,如果我看一下生成的SQL,我会看到 SELECT [Extent1].[Id] AS [Id], [Extent1].[LexiconId] AS [Lexico
var result = localContext.LexiconTerms.Include(i=>i.Locale).Include(i=>i.Lexicon)
当我检查结果时,词典总是填充的,区域设置总是null
现在,如果我看一下生成的SQL,我会看到
SELECT
[Extent1].[Id] AS [Id],
[Extent1].[LexiconId] AS [LexiconId],
[Extent1].[ResourceId] AS [ResourceId],
[Extent1].[Value] AS [Value],
[Extent1].[LocaleId] AS [LocaleId],
[Extent1].[ResourceSet] AS [ResourceSet],
[Extent1].[Type] AS [Type],
[Extent1].[BinFile] AS [BinFile],
[Extent1].[TextFile] AS [TextFile],
[Extent1].[Filename] AS [Filename],
[Extent1].[Comment] AS [Comment],
[Extent1].[ValueType] AS [ValueType],
[Extent1].[Updated] AS [Updated],
[Extent2].[Name] AS [Name],
[Extent2].[LocaleCode] AS [LocaleCode],
[Extent3].[Id] AS [Id1],
[Extent3].[Name] AS [Name1],
[Extent3].[Description] AS [Description],
[Extent3].[DeletedOn] AS [DeletedOn]
FROM [Locale].[LexiconTerms] AS [Extent1]
INNER JOIN [Locale].[Locale] AS [Extent2] ON [Extent1].[LocaleId] = [Extent2].[LocaleCode]
INNER JOIN [Locale].[Lexicon] AS [Extent3] ON [Extent1].[LexiconId] = [Extent3].[Id]
WHERE (N'Test1' = [Extent1].[ResourceId]) AND (N'UnitTest' = [Extent1].[ResourceSet]) AND (-2 = [Extent1].[LexiconId]) AND ([Extent1].[LocaleId] = @p__linq__0)
这清楚地表明EF正在获取数据。此外,在SSMS中运行SQL,我可以看到所有3个表的所有适当值
那么,我在做什么/不做什么来阻止EF填充一个相关对象而不是另一个
我知道我可以通过创建一个视图来克服这个问题,但我正试图理解EF在做什么
编辑:
我在EF中首先使用数据库。这些是EF生成的类
public partial class Lexicon
{
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
public Lexicon()
{
this.LexiconTerms = new HashSet<LexiconTerm>();
}
public int Id { get; set; }
public string Name { get; set; }
public string Description { get; set; }
public Nullable<System.DateTime> DeletedOn { get; set; }
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
public virtual ICollection<LexiconTerm> LexiconTerms { get; set; }
}
public partial class LexiconTerm
{
public int Id { get; set; }
public int LexiconId { get; set; }
public string ResourceId { get; set; }
public string Value { get; set; }
public string LocaleId { get; set; }
public string ResourceSet { get; set; }
public string Type { get; set; }
public byte[] BinFile { get; set; }
public string TextFile { get; set; }
public string Filename { get; set; }
public string Comment { get; set; }
public int ValueType { get; set; }
public Nullable<System.DateTime> Updated { get; set; }
public virtual Lexicon Lexicon { get; set; }
public virtual Locale Locale { get; set; }
}
public partial class Locale
{
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
public Locale()
{
this.LexiconTerms = new HashSet<LexiconTerm>();
}
public string Name { get; set; }
public string LocaleCode { get; set; }
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
public virtual ICollection<LexiconTerm> LexiconTerms { get; set; }
}
公共部分类词典
{
[System.Diagnostics.CodeAnalysis.SuppressMessage(“Microsoft.Usage”,“CA2214:DoNotCallOverridableMethodsInConstructors”)]
公共词汇()
{
this.LexiconTerms=new HashSet();
}
公共int Id{get;set;}
公共字符串名称{get;set;}
公共字符串说明{get;set;}
公共可为空的DeletedOn{get;set;}
[System.Diagnostics.CodeAnalysis.SuppressMessage(“Microsoft.Usage”,“CA2227:CollectionPropertiesShouldBreadOnly”)]
公共虚拟ICollection词汇项{get;set;}
}
公共部分类词汇术语
{
公共int Id{get;set;}
public int LexiconId{get;set;}
公共字符串ResourceId{get;set;}
公共字符串值{get;set;}
公共字符串LocaleId{get;set;}
公共字符串ResourceSet{get;set;}
公共字符串类型{get;set;}
公共字节[]BinFile{get;set;}
公共字符串文本文件{get;set;}
公共字符串文件名{get;set;}
公共字符串注释{get;set;}
public int ValueType{get;set;}
公共可空更新的{get;set;}
公共虚拟词典词典{get;set;}
公共虚拟区域设置区域设置{get;set;}
}
公共部分类区域设置
{
[System.Diagnostics.CodeAnalysis.SuppressMessage(“Microsoft.Usage”,“CA2214:DoNotCallOverridableMethodsInConstructors”)]
公共语言环境()
{
this.LexiconTerms=new HashSet();
}
公共字符串名称{get;set;}
公共字符串LocaleCode{get;set;}
[System.Diagnostics.CodeAnalysis.SuppressMessage(“Microsoft.Usage”,“CA2227:CollectionPropertiesShouldBreadOnly”)]
公共虚拟ICollection词汇项{get;set;}
}
您迫切需要加载,因此需要像这样更改代码
var result = localContext.LexiconTerms.Include(i=>i.Locale.Lexicon)
或
这是一份有用的文件
您是否使用代码优先的方法?能否显示实体类?导航属性是否标记为虚拟?老实说,我认为这只是用于延迟加载,但可能值得一试。我已经更新了Q以显示所使用的类。EF知道
Locale.LocaleCode
是主键吗?呵呵,呵呵,@StuartHemming,在语句末尾追加toList()
,看看会发生什么。
var result = localContext.LexiconTerms.Include("Locale.Lexicon")