一对一关系，不同的关键列名称，实体框架，代码优先的方法

Question

我有两个表已经被创建。 Document和DocumentStyle。他们通过DocumentID列有一对一的关系。然而，Id表在Document表中，DocumentId表在DocumentStyle表中。

像这样的事情

> Document   DocumentStyle 
> |----------|  |----------------| 
> |Id - Key |<------>|DocumentId- key | 
> |Name-VChar|  |Color  -VChar| 
> |Desc-VChar|  |Font  VChar | 
> |----------|  |----------------| 

，我发现了以下错误VS

的ForeignKeyAttribute物业 'DocumentStyle' 在类型 'KII.Models.Document' 是无效的。 外键名称'DocumentId'在依赖类型 'KII.Models.Document'中找不到 。名称值 应该是以逗号分隔的 外键属性名称列表。

这是文档模型类的部分代码

[ForeignKey("DocumentId")] public 
DocumentStyle DocumentStyle { get;set; } 

编辑：

这是我的类的代码。

public class Document 
    { 
     [Key] 
     public int ID { get; set; } 
     public string Name { get; set; } 
     public int FundId { get; set; } 
     public int ClientId { get; set; } 

     [ForeignKey("FundId")] 
     public Fund Fund { get; set; } 

     [ForeignKey("ClientId")] 
     public Client Client { get; set; } 
     //public ImageWrapper Logo { get; set; } 

     [ForeignKey("ID")] 
     public DocumentStyle DocumentStyle { get; set; } 

     public Document() 
     { 

     } 

     public Document(DocumentStyle documentStyle) 
     { 
      DocumentStyle = documentStyle; 
     } 

    } 


public class DocumentStyle 
    { 

     public DocumentStyle() 
     { 

     } 

     [Key] 
     [DisplayName("Document ID")] 
     public int DocumentId { get; set; } 

     [ForeignKey("DocumentId")] 
     public Document Document { get; set; } 

     [DisplayName("Title Foreground Color")] 
     public string TitleForegroundColor { get; set; } 

     [DisplayName("Title Background Color")] 
     public string TitleBackgroundColor { get; set; } 

     [DisplayName("Title Font Family")] 
     public string TitleFontFamily { get; set; } 

     [DisplayName("Title Font Size")] 
     public string TitleFontSize { get; set; } 

     [DisplayName("Title Font Style")] 
     public string TitleFontStyle { get; set; } 

     [DisplayName("Title Font Weight")] 
     public string TitleFontWeight { get; set; } 

     [DisplayName("Title Text Decoration")] 
     public string TitleTextDecoration { get; set; } 

     [DisplayName("Section Title Foreground Color")] 
     public string SectionTitleForegroundColor { get; set; } 

     [DisplayName("Section Title Background Color")] 
     public string SectionTitleBackgroundColor { get; set; } 

     [DisplayName("Section Title Font Family")] 
     public string SectionTitleFontFamily { get; set; } 

     [DisplayName("Section Title Font Size")] 
     public string SectionTitleFontSize { get; set; } 

     [DisplayName("Section Title Font Styled")] 
     public string SectionTitleFontStyle { get; set; } 

     [DisplayName("Section Title Font Weight")] 
     public string SectionTitleFontWeight { get; set; } 

     [DisplayName("Section Title Text Decoration")] 
     public string SectionTitleTextDecoration { get; set; } 

     [DisplayName("Paragraph Foreground Color")] 
     public string ParagraphForegroundColor { get; set; } 

     [DisplayName("Paragraph Background Color")] 
     public string ParagraphBackgroundColor { get; set; } 

     [DisplayName("Paragraph Font Family")] 
     public string ParagraphFontFamily { get; set; } 

     [DisplayName("Paragraph Font Size")] 
     public string ParagraphFontSize { get; set; } 

     [DisplayName("Paragraph Font Style")] 
     public string ParagraphFontStyle { get; set; } 

     [DisplayName("Paragraph Font Weight")] 
     public string ParagraphFontWeight { get; set; } 

     [DisplayName("Paragraph Text Decoration")] 
     public string ParagraphTextDecoration { get; set; } 

     [DisplayName("Logo")] 
     public byte[] Logo { get; set; } 

    } 

Answer 1

ForeignKey属性对外国键属性和导航属性。它没有定义相关表的属性！所以，你必须使用：

public class Document 
{ 
    public int Id { get; set; } 
    [ForeignKey("Id")] 
    public DocumentStyle DocumentStyle { get; set; } 
} 

如果Document取决于实体或：

public class DocumentStyle 
{ 
    public int DocumentId { get; set; } 
    [ForeignKey("DocumentId")] // Should not be needed 
    public Document Document { get; set; } 
} 

如果DocumentStyle依赖